Ko Thap (Thai: เกาะทับ, "Thap Island", sometimes spelled Tub) is an island in Thailand. There is a beach with tropical scenery and the location of this island is in Krabi province. This island is a member of the Poda Archipelago which is composed of Poda Island, Tub Island, Mor Island and Kai Island. Thai people call Tab Island as Koh Tub.
Offshore of this area is full of coral reef and various seawater fish. All of this makes Tub island attracts tourists who like snorkeling or another outdoor activities.
The highlight of Tub Island is called "Tha-le Waek" (Separated sea). At low tide, the three islands link together. Tourists can walk across the beach to the all islands.
Coordinates: 7°57′40″N 98°48′36″E / 7.961°N 98.81°E