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.

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.

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.

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 snorkel site by shore via Navy Base Guam, this dive is almost always done by boat and usually as a drift dive starting within the cove and then following the currents either to the north or south. Super clear water and home to schooling bait fish and small squid. Check out the carpet anemone in about 60’

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.

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.

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.

The American Tanker is a large concrete barge that was used during World War II to transport fuel from the United States to Guam. It was one of five barges that were brought to Guam and the remains of the others can be seen along the breakwater. This is a great boat dive for all diver levels.