Johnson South Reef Johnson South Reef Johnson South Reef (; ), also known as Chigua Reef in China, Gạc Ma Reef in Vietnam and Mabini Reef in the Philippines is a reef in the southwest portion of the Union Banks in the Spratly Islands of the South China Sea. It is controlled by the People's Republic of China (PRC), but its ownership is disputed by the PRC, the Philippines, Taiwan, and Vietnam. Johnson South Reef lies adjacent to the Vietnamese-controlled Collins Reef (also known as Johnson North Reef) which lies to the northwest. It is naturally above water only at low tide. Prior
Glover's Reef Glover's Reef Glover's Reef is a partially submerged atoll located off the southern coast of Belize, approximately 45 kilometres from the mainland. It forms part of the outermost boundary of the Belize Barrier Reef, and is one of its three atolls, besides Turneffe Atoll and Lighthouse Reef. The oval-shaped atoll is long and wide. The interior lagoon is dotted with around 850 reef patches and pinnacles rising to the surface. Major cays include Amounme Point Cay, Northeast Cay, Long Cay, Middle Cay and Southwest Cay. Glover's harbours one of the greatest diversity of reef types in the western Caribbean. A