St. Vincent and the Grenadines St. Vincent and the Grenadines make up one country. The Grenadines are, without question, one of the most beautiful cruising grounds in the world. St. Vincent is located 160 km. west of Barbados and the Grenadines extend 72 km. to the south-west of St. Vincent, like a kite's tail. They include Bequia, Mustique, Canouan, Young Island, Mayreau, Union Island, Palm Island and Petit St. Vincent.