Merizo Municipality

Cocos Lagoon appears as a small incomplete coral atoll attached to the south-western coast of Guam near the area of the village of Merizo. It stretches about east-west and north-south, covering an area of more than . Cocos Island and Babe Island sit atop the southern portion of the Merizo Barrier Reef and separate Cocos Lagoon from the open ocean in the south. In the east, Cocos Lagoon is separated from Achang Reef by narrow Manell Channel that leads to Achang Bay. In the north-west, Mamaon Ch…

Fena Lake (Reservoir) is the largest lake in the United States territory of Guam and it is a man made reservoir. It is located in the south of the island on the Ordnance Annex military installation, and is overlooked by the nearby peaks of Mounts Lamlam, Alifan and Jumullong Manglo. The lake's outflow is to the north-west, its waters eventually reaching the Pacific Ocean at Talofofo Bay. History Construction began in the late 1940s and the Fena Reservoir was completed in 1951. The purpose of the…