Agat Bay is a bay on the west coast of

Guam Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...

. Its northern boundary is the

Orote Peninsula The Orote Peninsula is a four kilometer-long peninsula jutting from the west coast of the United States territory of Guam. A major geologic feature of the island, it forms the southern coast of Apra Harbor and the northern coast of Agat Bay. Its t ...

, occupied entirely by

Naval Base Guam Naval Base Guam is a strategic U.S. naval base located on Apra Harbor and occupying the Orote Peninsula. In 2009, it was combined with Andersen Air Force Base to form Joint Region Marianas, which is a Navy-controlled joint base. The Ship Rep ...

, which itself lies within the village of Sånta Rita-Sumai. The bay stretches south along the coast of the village of Hågat (formerly, Agat) to Facpi Point. With a length of some seven kilometers, the bay stretches for nearly one fifth of the west coast of Guam. The Asan Invasion Beach of the 1944 Battle of Guam is commemorated by the Agat Unit of War in the Pacific National Historical Park, which spans surface and subsurface areas from Apaca Point to Bangi Point. The NRHP-listed Agat World War II Amtrac is submerged off Agat Cemetery. The northern part of the bay is protected by an offshore reef.

Blue Hole A blue hole is a large marine cavern or sinkhole, which is open to the surface and has developed in a bank or island composed of a carbonate bedrock (limestone or coral reef). Blue holes typically contain tidally influenced water of fresh, ma ...

, one of Guam's most popular

scuba diving Scuba diving is a Diving mode, mode of underwater diving whereby divers use Scuba set, breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. The word ''scub ...

sites, is located in the northwest corner of the bay. Agat Marina in the southern portion of the bay has 100 slips and mainly berths residential and recreational vessels, with some commercial vessels. Further south is Nimitz Beach, a popular snorkeling spot containing the small offshore Anae Island.

References

Bays of Guam Hågat, Guam Santa Rita, Guam {{Guam-geo-stub