http://www.floridapaddlingtrails.com/ is a great place to find information here in Florida
From their website:
Welcome to the Florida Paddling Trails Association (FPTA). We are the steward of all of Florida’s water trails. Our mission is to develop water trails, protect the environment and be a resource and voice for paddlers. Read more
Our website has information on most water trails in the state including the longest paddling trail in the continental United States, the Florida Circumnavigational Saltwater Paddling Trail. You can find details on campsites, launches, sights to see and facilities along the trails by clicking on the Paddling Trails link on the left side menu.