Discover Dive Destinations

Sea turtle habitat

Akumal means "place of the turtle" and the bay's seagrass meadows regularly host turtles. Follow local guidelines: stay horizontal, keep your distance, and never touch or chase wildlife.

Beginner-friendly reef profiles

Many local reef dives and snorkel areas are shallow and protected, with typical depths around 10 m to 25 m and warm water most of the year.

Multiple coasts from one base

Dive the south-coast coves near Lagos, then pivot to Sagres or Portimao when wind and swell shift.

Caves and walls without the tropics

Limestone geology creates small caves, swim-through style passages, and reef walls that reward patient finning and good buoyancy.

Upwelling-fueled biodiversity

The Cabo Frio upwelling brings nutrients that can concentrate baitfish and bigger predators, plus create dramatic thermoclines for photographers and marine-life hunters.

Protected-area seascape

Dive and snorkel within a mosaic of protected zones managed by ICMBio and INEA. Rules can be site- and season-specific, so going with licensed operators matters.

Wreck Portfolio

Antilla, Pedernalis, Jane Sea, and Debbie II sit between 10 m and 30 m bottoms, ideal for recreational profiles.

Shore + Boat Options

Mix easy shore entries at Mangel Halto and Pos Chiquito with short-run boat dives to wrecks and reefs.

Marine Park Since 1979

Bonaire protected its entire coastline in 1979; rules and fees fund rangers and moorings.

Shore-Diving Paradise

Yellow stones mark drive-and-dive entries; reefs start a short swim from shore.

Tangalooma Wrecks

A shallow cluster of deliberately scuttled vessels that works for snorkeling, freediving, and training dives in natural light.

Marine Park Protection

Moreton Bay Marine Park zoning includes no-take areas, no-anchoring areas, and go-slow wildlife zones that protect turtles and dugongs.

Signature wall diving

Coral gardens in shallow water, then dramatic walls that can drop well past recreational limits. Great for wide-angle, turtles, and relaxed drifts when the tide is right.

Easy base in Manado

One airport gateway supports multiple micro-destinations: Bunaken day boats, mainland reefs, Minahasa highlands, and Bitung-side wildlife.

Busselton Jetty artificial reef

A shallow, high-biodiversity jetty dive with an underwater observatory and sculpture trail nearby, ideal for training, macro photography, and night dives.

Iconic wreck diving

The HMAS Swan is a purpose-sunk artificial reef that delivers big-structure wreck diving without needing to travel to a remote offshore atoll.

Base-and-explore flexibility

Stay in Buzios for walkable nightlife and beach variety, then add boat dives locally and day trips to Arraial do Cabo for a very different water profile.

Mixed-group friendly

You can pair scuba mornings with easy afternoon snorkeling at Praia da Ferradura or Praia do Forno.

Sanctuary zone diving

Nguthungulli Julian Rocks sits in a no-take sanctuary zone. That protection supports dense reef fish life and repeatable big-animal encounters when conditions cooperate.

Two peak seasons, one base

Winter to spring: grey nurse sharks and migrating whales Summer to early autumn: warmer water with leopard sharks and manta rays

Gateway Logistics

Fly into CNS and be on a reef boat within hours.

Minke Season

June to July in-water encounters under a strict code with endorsed operators.

Marine Park Access

Multiple ANPs with moorings and clear visitor rules protect reefs and standardize fees.

Wildlife Windows

Seasonal whale sharks, sailfish, eagle rays, and bull sharks within day-trip range.

Two-ocean flexibility

Atlantic Seaboard and False Bay let operators switch sides when wind or swell hits, creating a genuine year-round window.

Iconic kelp forests

Kelp forests here are part of the Great African Sea Forest, now iconic for snorkelers and freedivers.

Kelp Forest Diving Close to LA

Casino Point shore dives and short boats from Avalon or Two Harbors hit kelp, sea lions, bat rays, and seasonal giant black sea bass.

Protected Marine Areas

Lovers Cove, Casino Point, and other SMCAs limit take so fish and kelp stay bold.

Protected waters

Hol Chan, Caye Caulker, Turneffe, and Lighthouse are managed marine areas with clear rules and ranger presence.

Short boat rides

Most local reef sites are within 15 km of the docks, keeping days efficient and flexible.

Cold water kelp forests

Dense kelp and rocky reefs hold rockfish, sheephead, invertebrates, plus occasional pelagics for wide-angle and macro.

Protected waters

Thirteen MPAs cover about 21% of waters, with several no-take reserves open for diving and snorkeling.

Marine Park

Mu Ko Chumphon National Park protects mangroves, seagrass, and around 40 islands, with fringing reefs forming from 1 m to 8 m and wide shallow snorkel zones on multiple islands.

Low-crowd Gulf diving

Compared with nearby hubs, Chumphon's dive traffic is lighter. Expect a more local, Thai-focused vibe and more space at the best sites.

Wreck Playground

Multiple WWII ships within an hour of town, from shallow gunboats to deeper cargo vessels.

Karst Lakes

Barracuda Lake’s haloclines and thermoclines create otherworldly diving and freediving.

Drift Diving

Reliable currents create long, low-effort wall dives across protected reefs.

Marine Park

Arrecifes de Cozumel National Park enforces no-touch, no-gloves rules with daily wristbands.

Out-of-hurricane-belt

Low storm disruption risk and steady trades mean dependable dive weeks.

Shore + boat flexibility

Drive-up sites for independence plus boats for Watamula, Mushroom Forest, and Klein Curaçao.

Bucket-list Walls

Bells-to-Blue Hole and Canyon are Red Sea classics within day-trip reach from town.

Freedive Depth Access

Consistent depth lines at in-town bays and the Blue Hole, plus an active coaching and competition scene.

Horta as a dive hub

Stay in one walkable town and day-trip to coastal sites, Pico by ferry, and offshore banks when the Atlantic cooperates.

Signature seamount day trips

Princesa Alice Bank is a world-class pelagic dive reached by boat from Horta, best in mid-summer when seas are calmer.

UNESCO marine sanctuary

World Heritage status protects tuna, sharks, turtles, dolphins, and seabird breeding grounds.

Year round warm water

Water holds around 27°C–29°C year round, so dives and snorkels stay warm.

Volcanic cave dives

Lava-formed sites like Gruta do Galo and Gruta dos Enxareus deliver dramatic chambers, swim-throughs, and textured basalt walls.

Summer clarity

Late-summer visibility commonly improves beyond 30 m with sea temperatures peaking around 24°C to 25°C.

Protected underwater centerpiece

Arvoredo is a strict biological reserve, and local operators focus dives on the southern tip of Ilha do Arvoredo outside the reserve boundary.

Turtles plus subtropical variety

Expect frequent turtle encounters and a true subtropical mix of seasons, visibility, and water temperatures.

Marine Sanctuary

2,900 sq nm under NOAA protection with refreshed management plan and zone map.

Wreck Trek

Spanning Benwood to Vandenberg, the Keys' wreck chain is a rite of passage for experienced divers.

Pelagic magnet

Schooling hammerheads, Galapagos sharks, eagle rays, and seasonal whale sharks up north.

Endemics access

Penguins, marine iguanas, and flightless cormorants on western itineraries.

National marine conservation area

Most water activities occur inside TWP Gili Matra, a zoned conservation area with official entry tickets (karcis) managed via SEAPARK.

Short-ride diving

Many dive sites are just minutes away by boat, enabling easy multi-dive days with low transit fatigue.

Big-city logistics, real ocean diving

Stay in a major resort city, then reach reefs, wrecks, and artificial reefs with short boat rides or shore entries.

Cook Island turtle dives within range

Base on the Gold Coast and day-trip south to Cook Island Aquatic Reserve for reliable green turtle encounters and photogenic sponge gardens.

Marine protection

Enhanced Marine Parks and Wildlife Interaction Zones with strict no-anchoring and no-take rules around most high-use sites.

Wall diving

Vertical drop-offs within a short swim of the reef crest with frequent eagle ray and reef shark sightings.

Tri island flexibility

Pair Grenada resort diving with a short hop to Carriacou for quieter reefs and villages.

Wreck and reef mix

Bianca C and other wrecks sit near colorful slopes and walls, so you can mix profiles without long rides.

Double wreck diving

Tokai Maru and SMS Cormoran sit adjacent in Apra Harbor, letting qualified divers visit wrecks from WWI and WWII on one dive.

Year round water temps

Expect 27°C to 29°C with light exposure protection for most divers.

Manta night diving

Two primary manta sites off Kona deliver frequent encounters on guided night dives.

Pelagic blackwater

Kona pioneered drifting bluewater night dives over deep ocean near shore.

Marine Park

Great Barrier Reef Marine Park surrounds the island; fees like the Environmental Management Charge help fund management and protection.

Walk-in reef access

Snorkel and shore dive straight from the island. The Marine Centre recommends timing shore snorkels around the tide, with many guests focusing on Heron Island - Blue Pools and the reef edge near the jetty.

UNESCO-recognized landscape

Paraty and Ilha Grande are recognized together for their mix of Atlantic Forest biodiversity and cultural heritage, which helps drive conservation focus in the region.

Dive variety in one bay

Combine shallow reefs, pinnacles, and wreck fragments without long open-ocean transits. Choose sheltered sites when conditions are rough, and go offshore when the sea calms.

Wreck density close to shore

Dozens of recorded wrecks lie around the archipelago, giving Ilhabela a rare concentration of wreck profiles for a road-and-ferry destination.

Ilha das Cabras sanctuary

A municipal submarine ecological sanctuary protected from hunting and underwater fishing since 1992, with beginner depths and reliable fish life.

Protected Reefs

Key sites sit inside Parque Nacional Costa Occidental de Isla Mujeres, Punta Cancun y Punta Nizuc, with conservation rules and a park-entry wristband supporting management.

MUSA Underwater Museum

Dive or snorkel the MUSA galleries at Manchones. The project includes 450+ underwater sculptures designed to function as artificial reefs and reduce pressure on natural coral.

South Shore Ease

Year-round shore and boat diving centered around Poipu and Koloa with simple logistics.

Niihau Adventure

Summer day trips to Lehua and Niihau offer caverns, big relief, and pelagic chances.

Protected reef access

Key Largo's reefs sit inside a long-running protection network (state park plus national marine sanctuary) with mooring buoys designed to prevent anchor damage.

Beginner-friendly reefs, advanced wrecks

Do your first Keys dives on shallow reefs, then step up to famous deep wrecks like the USS Spiegel Grove when conditions and training line up.

Big wreck energy

Key West is home to headline artificial reefs like the USS Vandenberg and other Wreck Trek stops, offering large structure and fishy profiles.

Protected shallow reefs

Sanctuary Preservation Areas near Key West allow diving and snorkeling while restricting fishing, collecting, and coral contact, which helps keep shallow reefs worth visiting.

Two marine national parks within reach

Base on the mainland and day-trip or liveaboard into Mu Ko Similan National Park and Mu Ko Surin National Park, depending on the season.

Richelieu Rock access

Khao Lak is a practical gateway to Richelieu Rock, one of Thailand's most celebrated sites for schooling fish, macro life, and occasional big-animal days.

Day-trip access to headline South Andaman sites

Koh Lanta operators routinely run full-day trips to Koh Haa, Koh Rok, and the offshore pinnacles Hin Daeng and Hin Muang, letting you sleep in one place while sampling very different underwater terrain.

Warm-water comfort

During the main season, water commonly sits around 28°C to 30°C, so most divers are comfortable in a 3mm suit, with a 5mm option for long days or chilly swimmers.

National Marine Park Access

Many day boats operate inside Tarutao National Marine Park waters, where entry fees and seasonal closures help fund protection and recovery periods.

Short Rides, High Variety

Rotate between shallow reefs, boulder slopes, walls, a wreck, and offshore pinnacles without changing hotels.

Sail Rock access

Boat trips from Koh Phangan target the region's most famous offshore pinnacle, with chimney swim-throughs and pelagic potential.

Beginner-friendly shore reef

Koh Ma offers an easy swim-out reef for snorkeling, refreshers, and low-stress training dives.

National park diving with active management

Sites sit inside Hat Noppharat Thara-Mu Ko Phi Phi National Park, with ranger checks, mooring buoys, and strict rules at Maya Bay that prioritize reef recovery.

Short boat rides, high variety

You can stack walls, pinnacles, and shallow coral gardens in a single day because many signature sites are within about 10 km of Phi Phi Don.

Gateway to Gulf classics

Base on Samui, then day-trip to Sail Rock, Koh Tao pinnacles, and Mu Ko Ang Thong for three distinct underwater styles.

Warm water, light exposure

Expect tropical water commonly around 29°C. Many divers are comfortable in a rashguard or 3mm suit, with an extra layer for longer boat days or repetitive dives.

Training Mecca

Sandy platforms and leeward bays make skills stick quickly.

Whale Shark Chance

Peaks in March–May with a secondary September–October window at pinnacles.

Signature Wildlife

Reliable manta encounters at Makassar Reef and Manta Alley, plus turtles, reef sharks, and seasonal pelagics.

Adventure Drifts

World class current diving on seamounts and channels with careful tide timing and negative entries when needed.

Two-base flexibility

Stay in Ao Nang for logistics, or Railay for a car-free beach vibe, and move between them by longtail boat.

National park access

Easy day trips into Hat Noppharat Thara - Mu Ko Phi Phi National Park and Than Bok Khorani National Park (Koh Hong).

UNESCO region, protected waters

The Sea of Cortez is globally significant for marine life, and key La Paz highlights sit inside managed protected areas.

Wildlife density with easy logistics

You can see sea lions, whale sharks, rays, and reef life on day trips from a single, comfortable base.

High-alpine clarity

A deep lake famous for blue-water clarity and dramatic granite terrain.

Shore-access cold-water diving

Many sites are reachable from beaches and coves, making Tahoe a strong destination for self-guided divers who plan conservatively.

Base-and-explore convenience

Sleep in a beach town and reach Lisbon, Sintra, Arrabida, and Peniche with short transfers.

Signature local dives

Shore-friendly training bays plus classic sites like Cabo Raso and the shallow SS Hildebrand wreck remains.

World Heritage marine setting

Dive and snorkel in a globally significant transition zone where tropical and temperate species overlap, protected by state and Commonwealth marine park management.

Barrier reef lagoon access

A sheltered lagoon makes it easy to plan low-stress snorkel and freedive sessions close to shore, even when the outer reef is choppy.

Two-ocean diversity

Choose between Pacific energy around Cabo San Lucas and calmer Sea of Cortez bays closer to San Jose del Cabo for snorkeling-friendly days.

Protected areas that matter

Dive within CONANP-managed protected zones like Cabo San Lucas and Cabo Pulmo, where fees fund management and visitor rules reduce impact.

Marine reserves that actually change the dives

Garajau and other protected areas are managed by IFCN, with specific rules and (for some buoyed sites) an advance booking and per-dive fee system via SIMplifica.

Wrecks and artificial reefs without a liveaboard

Cabo Girao and Porto Santo add purpose-sunk vessels and artificial reefs to the volcanic reef mix, keeping most dives in recreational depth ranges.

Offshore Atoll Diving

Day trips to Banco Chinchorro's walls, pinnacles, and shallow wrecks when seas permit.

Healthiest Reefs

Chinchorro is monitored as free of white syndrome; coral communities remain robust.

Megafauna Seasons

Manta feeding aggregations in Baa Atoll May–Nov and year‑round whale sharks in South Ari.

Liveaboard Range

Hop multiple atolls to match monsoon‑driven visibility and current.

Compact and connected

Short drives and frequent ferries cluster dozens of sites into easy day plans.

Wreck variety

Artificial reefs for all levels plus managed access to historic heritage wrecks.

Protected reef coast

Maragogi sits inside the APA Costa dos Corais, with public-use planning and specific zoning for natural pools and dive activities.

Tide-driven natural pools

Low tides unlock the signature experience: shallow, glassy lagoons over coral and sand patches for easy snorkeling.

French Caribbean marine park

Parc naturel marin de Martinique and the Agoa Sanctuary protect reefs, mangroves, and marine mammals with tight anchoring rules.

Year round warm water

Sea temps usually run 27°C–29°C, so a 3 mm suit covers most months.

Clear-water Bowl

Molokini’s protected crescent often has visibility that rewards wide-angle shooting.

Macro to Megafauna

Turtles, reef sharks, endemic reef fish, plus seasonal humpbacks in the Maui Nui sanctuary.

Predator free island arc

Pest-free offshore islands keep bird and lizard colonies intact and the surrounding reefs lively.

Wild yet reachable diving

From Whitianga, day boats reach bays, walls, and pinnacles in about an hour, delivering offshore viz and schooling pelagics.

National park shipwreck trail

Biscayne National Park's Maritime Heritage Trail is a mapped, boat-only shipwreck route with mooring buoys, letting you combine history, navigation, and reef life in one day.

Choose-your-own day trips

From Miami you can drive south to Key Largo reefs, north to Broward wreck lines, or further to Palm Beach drift dives without changing hotels.

Iconic kelp forests

Giant kelp canopies, rock reefs, and sand channels create a classic temperate ecosystem with endless variety for photographers and naturalists.

Shore diving culture

Monterey and Pacific Grove offer some of the most developed cold-water shore diving logistics in the U.S., with easy access to rentals, fills, and guided dives.

World Heritage seascape

The Ningaloo Coast is UNESCO World Heritage listed, pairing a near-shore coral reef with the rugged gorges and limestone ranges of Cape Range.

Shore-first snorkeling

Multiple sanctuary zones and marked snorkel areas let you get onto coral gardens with short swims from the beach.

Marine Protected Area

Formal MPA since 2010 covering 20,057 hectares with zones for tourism, traditional fishing, sacred sites, and harbors.

Big-animal encounters

Reef mantas year-round at cleaning stations; mola mola most reliable Jul–Oct when upwellings cool the water.

Wreck Alley

Multiple photogenic wrecks reachable in one morning from Waikiki.

Beginner Friendly

Protected snorkel-lagoon at Hanauma Bay and shallow turtle sites near town.

Island hopping hub

Naha links Kerama ferries and short hops to Miyako, Ishigaki, and Yonaguni, so you can sample multiple Japan dive regions from one base.

Warm, clear water

Water runs roughly 22°C–29°C with frequent 20 m–30 m visibility.

Two hubs, one itinerary

Stay in Padangbai for convenience and shore access, then add Candidasa for quick boat runs to the Gili sites.

Beginner to advanced progression

Build confidence on sheltered reefs first, then step up to tide-driven drifts and deeper walls once your buoyancy and SMB skills are solid.

Drift diving made easy

Most charters run guided drifts with live boat pickup, so you can cover long reef lines without complex navigation.

Macro to megafauna in one trip

Combine the critter-rich Blue Heron Bridge with offshore reefs for turtles, rays, and seasonal sharks.

UNESCO culture and biodiversity base

Paraty anchors a World Heritage landscape that blends preserved colonial urban fabric with Atlantic Forest and coastal ecosystems.

Sheltered island diving

Boat dives around bay islands keep many profiles shallow and calm, ideal for training, refreshers, and relaxed exploration.

Fast access from Bangkok

Pattaya is roughly 150 km from Bangkok, so it works for weekend dive trips and short stays.

Wreck diving without a liveaboard

The Pattaya Far Islands include day-boat wrecks like HTMS Khram.

Rottnest marine sanctuary zones

Five marine sanctuary zones help protect reefs and fish life. Several top snorkel areas sit inside these zones where fishing is not permitted.

Easy day-trip logistics

Fast ferries make Rottnest an achievable day trip from Perth or Fremantle, and you can still be back in the city for dinner.

Multiple dive regions from one island base

Short day trips to Racha and Shark Point, longer days to Phi Phi, and liveaboards to Similan, Surin, and Richelieu Rock.

Beginner-friendly to advanced progression

Easy bay reefs for skills and check-out dives, then step up to pinnacles, currents, and headline wrecks.

Seamount bucket list

Long-range boat days can unlock Princesa Alice Bank (mobulas, blue-water visibility) and Condor Seamount (blue sharks).

Volcanic geology close to shore

Shallow arches, tunnels, tide pools, and lava walls mean you can get dramatic scenery without deep profiles.

Two-Worlds Week

Pair warm Caribbean drifts with calm freshwater caverns without long transfers.

Protected Reefs

Nearby national parks require daily bracelets and approved guides that help keep reefs healthy.

Pelagics from a hub base

Base in Ponta Delgada for sheltered coastal dives plus day trips to Formigas, Banco Dollabarat, and Dom Joao de Castro.

Year-round mild Atlantic climate

Air ranges roughly 14°C–24°C and sea 16°C–23°C with the right suit.

Outer Reef Access

Speedy day boats from Crystalbrook Superyacht Marina reach Agincourt and Opal Reef sites for three-stop itineraries.

Protected Marine Park

Green Zones and no-anchoring areas safeguard coral; tours use public moorings and strict codes of practice.

Two wreck anchors close to shore

Plan a mini wreck safari on Madeirense (Wreck) and Cordeca (Wreck), then layer in reefs and caves for variety.

Beginner-friendly shallows for mixed groups

Training sites like High Stones and Ancoras make it easy to pair try dives with snorkeling and freedive practice.

National Park Reef Access

Most dive and snorkel boats reach the reef quickly because the Arrecife de Puerto Morelos National Park sits directly offshore.

Regulated, Guide-Led Diving

Park rules emphasize reef protection: maintain distance from coral, avoid wildlife harassment, and follow operator safety protocols for flags, briefings, and group control.

Two signature protected areas

Pair Los Arcos' rock formations with Islas Marietas' regulated national-park style rules for a full-spectrum bay itinerary.

Seasonal variety

Winter brings humpback whales and drier weather. Summer and early fall bring the warmest water and frequent best-visibility windows.

Both manta species

Encounters at Manta Ridge and Manta Sandy in the north and seamounts in Misool.

Year-round warmth

Water sits near 28°C to 30°C most months.

Recife shipwreck park

A compact cluster of wreck dives in recreational depths, with several sites functioning as artificial reefs.

Two trips in one base

Stay in the city for culture and logistics, then day-trip to reef-pool beaches like Porto de Galinhas for calmer water time.

National Park rules that protect the experience

Managed by CONANP with fees that fund protection, plus strict interaction rules (no touching or feeding, limits on depth/time, and guided groups).

Signature manta encounters

Cleaning-station diving brings repeated passes by giant manta rays that often approach unusually close when divers stay calm and still.

Wall and canyon diving

Sheer fringing walls and canyons like Marys Place and Spooky Channel sit minutes from shore with rays and occasional sharks.

Marine park protection

The Bay Islands marine park and Roatan Marine Park moorings protect sharks, turtles, conch, lobster, and parrotfish.

Multiple MPAs in one city

La Jolla includes State Marine Reserves and Conservation Areas with strong take and disturbance restrictions, which supports reliable wildlife encounters.

Two signature shore dives

La Jolla Cove for easy reef snorkeling and scuba, and La Jolla Shores for a sandy entry that leads to canyon terrain.

Reef proximity

Most dive sites sit a short boat ride from docks, maximizing bottom time and minimizing transit.

Protected waters

Hol Chan and Mexico Rocks are fully zoned reserves with enforced rules to keep snorkel and shallow-dive sites vibrant.

Offshore reserves within reach

Formigas Islets and Banco Dollabarat are protected blue-water targets for experienced divers, weather permitting.

Late-summer visibility

Azores visibility can exceed 30 m in August to September/October, ideal for wide-angle.

Marine park access

Dive inside the Parque Marinho Professor Luiz Saldanha (Arrabida), with zoning that protects key habitats and concentrates life on the nearshore reefs.

Short logistics, big variety

From Sesimbra harbor you can reach reefs, walls, caverns, and multiple wrecks in short boat rides, plus several shore entries for quick dives.

Iconic cave dive

Fish Rock Cave is a rare true ocean cave experience with clear water and multiple routes.

Grey nurse shark encounters

Fish Rock is a renowned aggregation area for protected grey nurse sharks, especially in the cooler season.

Signature wreck with managed access

Dive Australia's premier artificial reef, Ex-HMAS Brisbane, with controlled numbers and permit rules that help protect divers and the site.

Macro reefs close to port

Shallow reef systems around the Gneerings are ideal for slow diving, photography, and skills practice between 13 m and 20 m.

Urban-friendly shore diving

Many signature sites are reachable by car or public transport, letting you fit a quality dive into a city itinerary.

Aquatic reserves with rules that matter

Sydney's best snorkeling and training bays include no-take aquatic reserves where fishing and collecting are restricted or prohibited. Plan to dive with a light touch and respect site-specific regulations.

Underwater Archaeological Park

Angra Bay is an underwater museum of anchors and historic wrecks, including the Lidador and the Cemiterio das Ancoras.

Volcanic Caves and Lava Geology

Cave dives and lava corridors at sites like Cinco Ribeiras and Ilheus das Cabras deliver dramatic rock architecture without long crossings.

Calm gulf conditions

Tomini Gulf moderates swell, delivering more diveable days.

Volcanic highlight

Una Una’s Colo volcano ringed by fishy walls and seamounts.

Bucket-list wreck access

Day trips from Townsville reach the SS Yongala, a protected wreck with heavy fish biomass and a reputation as one of Australia's best dives.

Underwater art on the Reef

The Museum of Underwater Art at John Brewer Reef blends reef diving and sculpture, including the Coral Greenhouse and Ocean Sentinels.

National Park Archipelago

Much of the island chain sits inside Mu Ko Chang National Park, protecting coral reefs around islands like Koh Wai and the Koh Rang group.

Thailand's Headline Wreck (East)

The HTMS Chang Wreck delivers big structure and fish life for advanced depth profiles, while nearby reefs keep the trip beginner-friendly.

Iconic shore wreck

Dive the USAT Liberty from the beach, including sunrise and night dives, without needing a boat schedule.

Macro meets reef

Combine black-sand muck (Seraya area) with coral gardens and easy bay reefs in a single base.

Cenote Capital

Year-round cavern access with clear freshwater, haloclines, and stable temps near 24°C.

Protected Reef

Boat-access reefs sit in Arrecifes de Tulum National Park with regulated operators and daily bracelets.

Whale shark hotspot

Peak encounter windows historically in Mar–Apr and Oct–Dec around the north side banks and seamounts.

Training to advanced

Calm south side for courses; north side and offshore mounts for advanced drifts.

Island hopping hub

Airlie Beach, Shute Harbour, and Hamilton Island launch trips to fringing reefs, Whitehaven Beach, and outer GBR sites like Bait and Hardy.

Year round warm water

Seas sit roughly 22°C–28°C, so snorkel and dive any month with light exposure.

Protected water access

Much of the diving and snorkeling is inside Parque Nacional Huatulco, a marine-coastal protected area with published visitor regulations and an entry fee that supports management.

Nine bays, many boat-only beaches

Huatulco's nine bays and 36 beaches create a natural menu of half-day boat trips: snorkel coves in the morning, then return to town for lunch and a nap.

Aquarium-clear freshwater

Spring-fed rivers filtered through limestone deliver standout visibility for drift snorkeling and photography.

Managed nature access

Bonito uses a municipal voucher system with limited daily slots per attraction, helping protect ecosystems and keep experiences uncrowded.

Protected nature reserve

Yum Balam covers most of Holbox, keeping the island low-rise and wildlife-forward, with conservation rules enforced for visitors.

Whale shark season base

Holbox is a primary jumping-off point for the Whale Shark Biosphere Reserve north of the Yucatan Peninsula, with a regulated observation and swimming season.

Two marine management areas

Dive and snorkel planning spans Jervis Bay Marine Park (NSW) plus the Commonwealth-managed Booderee National Park. Expect clear zoning, no-take sanctuaries and site-specific anchoring rules.

Iconic shark and cave terrain

Outer-coast sites like The Docks and Slot Cave are known for gutters, swim-throughs and the chance of seeing grey nurse sharks when conditions line up.

World Heritage water story

Seagrass meadows, dugongs, and ancient stromatolite systems make Shark Bay a destination where ecology is the headline, not just scenery.

Ranger supervised dolphin encounters

Monkey Mia's dolphin experience is managed for animal welfare, with clear rules that keep interactions safe and ethical.

Cuttlefish Coast Sanctuary Zone

Protected marine park habitat around Point Lowly with clear zoning and conservation focus. The core cuttlefish breeding area is nationally recognized for its natural significance.

Shallow, shore-based encounters

Most cuttlefish action happens in 2 m to 8 m, ideal for scuba, freedive, and snorkel planning with minimal boat logistics.

National Park reef

Cabo Pulmo National Park protects the only coral reef system in the Gulf of California, a rare hard-coral ecosystem in a desert coastline setting.

No-take recovery story

After protection and local enforcement, studies reported fish biomass increases on the order of 460%, creating the big-school spectacle divers come for.

Marine Park

The island sits inside the Australian Marine Parks network, with inshore Habitat Protection and offshore National Park zones that shape what activities are allowed.

Seasonal whale sharks

Whale sharks are highlighted as visiting November to April, creating real snorkel and dive opportunities when conditions line up.

True atoll lagoon

A rare ring-shaped lagoon system with protected shallows plus quick access to outer-reef drop-offs.

Marine Park protection

Managed under the Cocos (Keeling) Islands Marine Park, including green zones at The Rip and Trannies Beach.

Coral Triangle biodiversity

Derawan sits in the Western Coral Triangle, with reef, wall, and lagoon habitats that support big animals and macro life.

Manta and turtle focus

Sangalaki is a signature stop for manta encounters, and turtles are common on reefs and beaches across the island group.

Green Zone protection

Surrounding waters are a highly protected Marine National Park (Green) Zone, which helps keep reef life dense and fishing pressure low.

Manta ray cleaning stations

Multiple cleaning stations mean manta encounters are possible year-round, with strong winter aggregation periods.

Sheltered atoll-style lagoon

Lagoon conditions suit snorkelers, freedivers, and introductory lagoon dives, while outer reef sites add walls and drift potential.

Southern GBR access from Bundaberg

Day tours and transfers from Burnett Heads make this a high-impact reef experience without a far-north itinerary.

No-take Marine Park

Protected since 1993 with fishing and collecting prohibited. Visits are managed to reduce impact, including the use of moorings instead of anchoring.

Big-city logistics, real wilderness

Base in Santos or Guaruja, or stay in Sao Paulo city and transfer about 80 km to the coast for an offshore day boat.

National Park Islands

Dive and snorkel the islands of Parque Nacional Bahia de Loreto, with fees supporting protected-area management.

Whale Season

Winter brings a strong chance of seeing blue whales and other cetaceans on dedicated boat trips.

Protected biosphere reserve

Berlengas is part of the UNESCO Man and the Biosphere network (nominated in 2011) with controlled visitor access via BerlengasPass.

Wreck and cave variety

Multiple wrecks and caverns sit close enough to combine on a single boat day, depending on swell and current.

Iconic marine reserve

Strict no-take, no-landing rules protect dense schools, invertebrate gardens, and subtropical visitors.

Caves, arches and walls

Riko Riko Cave and arches like Blue Maomao and Northern Arch give photogenic caverns and light beams.

Australia's legal white-shark cage dive

South Australia is the only place in Australia where you can cage dive with white sharks, based from Port Lincoln to the Neptune Islands.

Protected islands and marine parks

Neptune Islands are managed as a conservation park with Prohibited Areas (no land access without permission) and a marine park zoning scheme that includes sanctuary and restricted access zones.

Close to Hobart, feels remote

Fly into Hobart and you are still within striking distance of sea caves, kelp reefs, and Australia-level wilderness in a single road trip.

Caves, kelp, and a wreck in one week

Cathedral-like caverns, sponge gardens, and the SS Nord wreck create a diverse dive menu for experienced cold-water divers.