The Heian Maru was a passenger-cargo ship was built in 1930 and is 155 meters in length. She lies between a depth of 10 - 35 meters. She is the largest ship remaining in Truk Lagoon, and has large passageways with an expansive bridge and engine room.

The Shinkoku Maru was a 152 meter long Naval Tanker built in 1940 which sank in 1944 during operation hailstone. She sank upright and rests on an even keel with a superstructure depth between 12-40 meters.

The San Francisco Maru was a 117 meter long passenger-cargo ship built in 1919. She was sunk in 1944 during operation Hailstone. She lies very deep, and rests on an even keel between 42 and 64 meters. This wreck is loaded with war materials and one of Truk Lagoon’s most fascinating technical wreck dives.

Also known as “Yellow Wall“, experienced divers can discover super clear waters, Pelagics, as they drift along Guam’s greatest walls. For Advanced and expert divers and only done as a drift from a boat when the seas are calm.

Drift dive with possibility of high currents and moderate to rough seas. Barracuda, sharks, large pelagic fish, corals. Features a large cavern at 115’. This is an exciting dive for very experienced divers!

A popular drift dive, this site is home to numerous mushroom corals and even an occasional tiny abalone. Deep coral whips can be found, starting in about 85’ Reef Sharks, Stingrays and Turtles are seen on most dives.Currents can be strong - best done in the morning hours.

A favorite southern dive site near Merizo. At 10-60 feet deep, large caverns are found here along with a pod of spinner dolphins that is usually present. An easy dive for all. Perfect for snorkeling and kayaking. Ask for landowner’s permission if diving from shore. Best done as a drift dive from a boat.

similar to Bile Bay, there are a number of small caves cut into the shallow coral reef. Depths range from near the surface to 60’ max. An easy site to access from shore, right at the “Welcome to Merizo“ sign. Follow the river channel out and head south along the reef edge.

The Japanese Zero plane broke apart during a typhoon in 1997. Parts of the fuselage and also the engine block and propeller can be found in a small ravine in about 50’ Nice drift dive by boat, but this site can also be accessed from the beach. Always ask land owners for permission and never walk on the coral!

North of Umatac Bay, features a reef flat that slopes from 40 to 90’. Remnants of a WW2 Japanese zero (engine block w/propeller), can be found at the 60 level. Very easy dive for all divers but requires a long snorkel if not done from a boat.