W Arch

Type:

Scuba Diving

Entry:Unknown

Difficulty:Beginner

Tags:

CaveReef

About This Dive Spot

This shallow site off Irabu Island features two adjacent arches, with one creating a heart-like outline from certain viewing angles, making it a well-known photo subject. Behind the arches is a small cave area where the rock surfaces host abundant macro life. Divers can look for small creatures in and around the cave, including longnose hawkfish and various crustaceans, as well as nudibranchs on the surrounding rock.

Planning details

Reported depth and seasonality.

Reported depth

18m+

Depth note

Described as a shallow site around 18 m.

Safety & access

Hazards, restrictions, and required precautions.

Hazards

Overhead environment

Safety notes

A small cave sits behind the arches; use appropriate caution around overhead areas.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Suitable for all diving levels and centered around the twin arches and nearby cave.

Dive Spot Log Averages

Average conditions based on logged dives & visits

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Spots Near W Arch

📍 0.2 km

L Arch

Not Set

An L-shaped arch off Irabu Island offers dramatic underwater topography, with a large curved archway and nearby warp holes. The site reaches around 35 m and is described as best suited to intermediate divers and above. Marine life includes schooling pelagics alongside macro subjects found around the holes and cave-like areas.

📍 0.7 km

Shiratori

Not Set

This site off Irabu Island features varied underwater terrain, including Denter Rock and a light-filled hole formation. Depths reach around 30 m, offering a mix of structure-focused exploration and open-water scenery. Marine life is a highlight, with small critters such as pygmy seahorses and nudibranchs alongside schools of colorful reef fish. In season, larger animals like manta rays, whitetip sharks, and sea turtles may appear, and the area is described as suitable for a wide range of diver experience levels.

📍 0.9 km

Cross Hole

Not Set

Cross Hole on Irabu Island in Okinawa is a cave-style dive site ranging from shallow water down to 27 m. A distinctive cross-shaped opening in the ceiling allows light to stream in, creating dramatic illumination. The site features a mix of vertical and horizontal passages and is described as beginner-friendly while still offering striking topography and strong light-play.

📍 2.3 km

Snake Hole

Not Set

Snake Hole is a topography-focused dive on the west coast of Irabu Island, Okinawa, centered around a shallow cave. The main cave area lies around 5–8 m, opening into a chamber described as about 4 m wide and 10 m deep. An air dome inside can create a fog-like visual effect as wave-driven pressure shifts, giving the interior a distinctive atmosphere.

📍 3.9 km

The Devil’s Palace

⚓

The Devil’s Palace is a boat-access dive on Shimoji Island, reached in about {{ 30 | duration:minutes }}utes from Miyako Island. The route begins with a descent into a crevasse and an entry into the cave system around 15 m. Divers pass through narrow, darker passageways and arches, with depths ranging down to about 25 m.

📍 5.4 km

Tori Ike

⚓

This is a boat-entry dive that involves descending through a cave and passing through a hole that opens into a large pond on land. The setting combines an underwater cavern-like passage with a unique inland water feature reached underwater. Divers may encounter a variety of reef and cave-associated fish and invertebrates, with occasional sightings of larger pelagic species such as tuna and manta rays.

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Frequently Asked Questions

What's the best entry point at W Arch?

Entry at W Arch is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.

What conditions are best for diving W Arch?

Optimal conditions at W Arch depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.

What is the maximum depth and typical visibility at W Arch?

Depth and visibility information for W Arch can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.

Are there any safety considerations or local etiquette at W Arch?

When diving W Arch, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.