Unisan Island

Unisan Island is a small island located in southernmost part of Nueva Valencia, Guimaras and beside Malingin Island in the Philippines.
Guimaras Oil Spill.
In August 2006, the Guimaras oil spill occurred. The 988-ton M/T Solar 1, chartered by Petron (the Philippines’ largest oil refinery), was carrying 2.41 million litres of bunker fuel sank off the island's southern coast, contaminating . The Philippine Coast Guard called this the worst oil spill in the country's history. According to officials, of mangroves were affected, including parts of the Taklong Island National Marine Reserve.