Jump right in.  Tour the bay on a boat, find your inner fisherman, explore the deep ocean water or swim in the shallows.  Add a cruise and see the world.  There's so much to do in Miami in the water.  Here's a list of just a few: 

Glass-bottom-boat tours Arrange to camp on one of Biscayne National Park's two sizable islands, Boca Chita Key and  Elliot Key. A 53-foot glass-bottom boat and a 45-foot diving and snorkeling catamaran takes adventurers across southern Biscayne Bay, through wilderness, mangrove creeks, islands, and out to tropical coral reefs teeming with sea life. Phone: 305/230-7275
Snorkeling Try snorkeling through the mangroves or through the coral reefs. Fishing and lobstering are permitted in the park in season with a proper license, so you can even catch your own dinner!  Explore Greater Miami's beautiful natural resource, the sea. The Miami Area Dive Operators offers scuba diving and snorkeling trips, classes and instruction, and sales and rentals.   Phone: 305/532-1445
Dining and Mini Cruises Biscayne Lady Yacht Charters offers a selection of sport yachts, motor yachts, party vessels, and luxury sport fishing boats. Their featured yacht is a new 130-foot mega yacht, the "Venetian Lady," which can accommodate up to 140 passengers for private meeting space, lunch and dinner cruises. All of these vessels can be chartered for half and full day.  Phone: 305/379-5119
Fishing Charters through Kelly Fishing Fleet From solo anglers to chartered affairs, their fleet of spacious custom-built vessels and award-winning service will meet your needs.  Capt. Kelley and his family are still here to extend you a warm "Welcome Aboard!"  Phone:  305/945-3801