You want a GLASS BOTTOM BOAT but you may wish to SNORKEL as well? I have the ONLY Glass Bottom and Snorkel combination tour on Nassau. Don't worry about a deposit to book a tour, just email me at: 'bahamaswatertours@hotmail.com', facebook me at "BahamasWaterTours Nassau" or call me at 1-242-468-0163 and let's arrange everything. Let's make this trip one you'll never forget.