Choose from a glassbottom boat, catamaran, and other boats. Enjoy cruising along the coastline either in the daytime or in the evening and beach parties with games and full buffet lunches, sunset dinner cruises and a show, or party heavy and snack on hors d'ouevres and drinks on a booze cruise. GBI's waters are world famous for blue marlin, wahoo, tuna, kingfish, dolphin, barracuda and many more. There are half-day and full-day trips with bait and equipment included. Glass-bottom Boat Cruise (approx. 1.5 hours): Adults $18, Children $8 Sunfish Sailboats: $15 half hour / $20 hour