Crystal River Manatee Snorkeling and Everglades Airboat Tour. Spend a day in one of central Florida’s natural manatee habitats on this guided cruise and Everglades airboat adventure. Begin with a 1.5-hour boat ride on the Crystal River. Swim and snorkel in an area known for manatee sightings, and then enjoy an exciting airboat tour on the Homosassa River. Visit Homosassa Springs Wildlife State Park, one of the best places in the state to watch manatees, as well as other animals, such as bears, panthers, and alligators. Breakfast and a picnic lunch, plus an Orlando-area hotel pickup and drop-off are all included. Book and Save 5%! Crystal River Manatee Snorkeling and Everglades Airboat Tour.