Here is a list of some that are available, along with a short description. The United States Lifesaving Association has a brand new website. It's packed with information about lifeguarding around the world but you can also find their Top Ten Safety Tips and a Teaching Guide for their tips. The California Department of Boating and Waterways has several free handouts for California residents. The Aqua Smart program educates children about boating and water safety.
Activity books are available for the younger crowd and videos are available for all ages.
The United States Coast Guard has several coloring books that can either be downloaded and printed or viewed with the help of free adobe software.