Manatee Tours Swim With The Manatees in Crystal River, Manatee Tours to swim with the Manatees are available year round in Crystal River Florida. Manatees are gentle and easy to swim or snorkel with. Have loads of fun on your Manatee Tour in the spring feed waters that the Manatees love. Manatee Tours are daily starting at 7:00AM. Call today for a Manatee Tour or Manatee Tours for groups.