Boca Grande, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Boca Grande is known for its historic Gasparilla Inn and its world-class tarpon fishing. The best time to travel to Boca Grande, United States, is from March to May, with average air temperatures around 75-85°F and water temperatures ranging from 70-80°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!