Perhaps the best-kept secret of our National Parks is the underwater realm that they include: millions of acres of submerged lands, only a fraction of which have been explored by divers.
Dive Your Park
Photo Galleries
Explore the underwater world through photo galleries organized by park and subject matter.
A Guide to Diving in National Parks
National Parks are the designated recreation grounds of the American people and this system includes some great places to dive
Underwater Explorer Jr. Ranger Booklet
Download and complete the Jr. Ranger Underwater Explorer Guide and join the National Park Service "family" as a Junior Ranger.