Amphitheater - Guam

Type:

Scuba Diving

Entry:⚓Boat Entry

Difficulty:Advanced

Tags:

DeepReefWall

About This Dive Spot

This boat-only site off Cabras Island features a naturally curved drop-off that transitions from a shallow reef to much deeper walls. It’s known for deep-water corals and abundant marine life. Visibility can reach about 200 ft, making it a popular location for underwater photography. The shallow reef suits a broad range of divers, while the deeper sections are best left to very advanced and technical divers.

Planning details

Reported depth and seasonality.

Reported depth

9.1m - 39.6m

Depth note

Reported depth range is 30–130 ft+ with deeper walls beyond that range.

Typical conditions

Visibility reported up to 200 ft.

Safety & access

Hazards, restrictions, and required precautions.

Safety notes

The deeper walls are suited only to very advanced and technical divers; plan conservatively and stay within training and gas limits.

Access restrictions

Boat dive only.

Local intel

Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Shallow reef is suitable for many divers, while deeper walls are intended for very advanced and technical diving.

Dive Spot Log Averages

Average conditions based on logged dives & visits

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Dive Conditions Planner

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Spots Near Amphitheater - Guam

📍 1.7 km

Lunar Scape

⚓

Located at the north end of Luminao Reef, this site is a popular boat-access reef dive known for encounters with larger pelagic fish and occasional sharks. It is typically dived as a drift, using the current to cover ground along the reef. Divers are advised to maintain neutral buoyancy and go with the flow, as currents are a defining feature of the dive.

📍 1.7 km

SMS Cormoran (Wreck)

⚓

SMS Cormoran is a World War I wreck lying on its starboard side in about 130 ft/40 m of water, positioned next to the WWII wreck Tokai Maru. It is notable for allowing divers to visit wrecks from both World Wars on a single dive. The site is described as strong for macro life, with tunicates and colonies of whip, hard, and soft corals. Moray eels, octopuses, and rays are commonly seen here.

📍 1.7 km

Outhouse Beach

🏖️

Outhouse Beach (Apra Beach) is a reef dive site commonly used for beginner dive training. It’s known for regular fish activity and is also considered a good night dive option. Divers can often encounter green sea turtles, stingrays, and eagle rays on the reef, while night dives may reveal eels, octopus, and nudibranchs.

📍 1.9 km

Piti Channel

🏖️

Piti Channel is a natural channel dive accessed from shore, starting near the Cabras Power Plant. Runoff from the plant is described as creating warmer water that supports crustaceans. Currents can be very strong and the site is described as an advanced dive that requires caution.

📍 2.0 km

Luminao Reef

⚓

Luminao Reef is a clear-water reef site known for abundant reef fish and occasional pelagic pass-bys. It is described as a boat drift dive, offering moving-water exploration along the reef. Divers commonly see schooling wrasse and butterflyfish, with tuna and barracuda often reported. Turtles and stingrays are also encountered.

📍 2.4 km

Kitsugawa Maru (Wreck)

⚓

A Japanese freighter sunk in July 1944, the wreck lies upright on the bottom of a harbor. The bow gun remains intact, with the deck around 115 ft and the masts rising to roughly 50 ft from the surface. Marine growth and schooling fish gather around the mast structure, making it a popular wreck dive for both structure and life.

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Frequently Asked Questions

What's the best entry point at Amphitheater - Guam?

Entry at Amphitheater - Guam 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 Amphitheater - Guam?

Optimal conditions at Amphitheater - Guam 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 Amphitheater - Guam?

Depth and visibility information for Amphitheater - Guam 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 Amphitheater - Guam?

When diving Amphitheater - Guam, 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.