Geography of Trinidad and Tobago obtaining full strength. Geography of Trinidad and Tobago Trinidad and Tobago is an archipelagic republic in the southern Caribbean between the Caribbean Sea and the North Atlantic Ocean, northeast of Venezuela. They are southeasterly islands of the Lesser Antilles, Monos, Huevos, Gaspar Grande (or Gasparee), Little Tobago, and St. Giles Island. Trinidad is off the northeast coast of Venezuela and south of the Grenadines. The island measures in area (comprising 93.0% of the country's total area) with an average length of and an average width of . The island appears rectangular in shape with three projecting peninsular corners. Tobago is
Endemic flora of Trinidad and Tobago rate of endemism, probably as a result of its geological history. The islands of Trinidad and Tobago lie on the South American continental shelf, and were both connected to the mainland during the Pleistocene. Tobago was separated from the mainland about 13,000 years ago; Trinidad was connected until more recently, and may only have become separated about 1,500 years ago. The flora of Trinidad and Tobago has been estimated to include about 2,500 vascular plant species. Although historically as many as 222 species were thought to be endemic, a study by Veerle Van den Eynden and colleagues at the University