Description: he British Virgin Islands (BVI) are a group of over 50 islands and Cays, located in the Leeward Islands, about 90 miles East of Puerto Rico and North East of the US Virgin Islands. The main island of Tortola is about 54 square miles, with Virgin Gorda about 8 square miles. Most of the islands are made up of rolling hills, although Anegada is completely flat rising to only a few feet above sea level.