40-130’ + This site has the steepest knife-edge wall that we’ve seen on Guam. Normally a drift dive, the wall is spotted with fans and small soft corals that can be viewed by divers with deep experience. Moderate depths along the cliff line (35 - 65’) suitable for all divers. Only accessible by boat.

A great drift dive for beginners on the upper shelf and also a starting point for tech divers to drop down the deep wall. Reef sharks, turtles and rays are seen on most dives.

Dive near the mouth of the harbor at this beautiful reef. This site slopes from a shallow reef flat, down to 130+ feet deep. It is accessible by boat only. This site is very easy and has great visibility for all divers.

Once the fastest westbound transatlantic voyager, the RMS Scotia was a British passenger liner. Operated by the Cunard Line, it was an ocean-going paddle steamer that was converted into a twin-screw cable layer in 1879.

Usually done as a drift dive, starting at The Scotia, or First Beach, then due west out of the harbor. Only accessible by boat, and divers must be very aware of boats transiting overhead. Clear water and a wide variety of fish are found here.

Blue Hole is a very unusual dive on a natural limestone plateau. A vertical shaft begins at 60’ with a large “window“ opening at 125’. Drift dives are possible. You must be an experienced Deep diver to “shoot the hole“. Great vis and the 30 to 60’ plateau make this a popular site for all divers.

Apra Harbor, 35-140’ A Plateau along the breakwater with many bulldozers and other construction equipment left by the Seabees when they finished building the breakwater. A small harbor transfer ship and a large bulldozer rest at the bottom of the slope 130.

Located near the entrance of Apra Harbor, this is a beautiful reef not normally visited by divers and is only accessible by boat. A great variety of pristine corals with a gradually sloping wall to 120 feet/36m. Visibility is usually 40-90 feet/12-27m.

Large “canyon“ starting at 60’, visibility 100’+, with Sea Fans along the walls. Schools of barracuda and some sharks are occasionally seen. Accessible by boat only with a possibility of currents. This shallow plateau is suitable for all divers, and extended range divers will love the deep wall.

This site is located in Apra Harbor with depths from 5-90 feet. A really nice harbor reef dive for everyone. Sloping corals with many anemones and hundreds of fish. Resident green sea turtles are seen on most dives. A perfect site for all levels of diving and snorkeling.