At 1,645 feet deep, Tahoe is the deepest U.S. lake accessible to divers, featuring granite arches, boulder labyrinths, and an underwater maritime heritage trail.

Formed by volcanic activity, Clear Lake has crystal-clear, 43-degree water that preserves a submerged forest and offers spiritual diving experiences.

A geothermal pool in a limestone dome created by ancient volcanic activity, featuring 90-96 degree waters for swimming, paddleboarding, and diving.

A natural artesian well on Route 66 with a steady 62-degree temperature, crystal-clear waters, and unique diving experiences among kitschy mementos.

Home to an estimated 800 West Indian manatees, Crystal River offers guided tours and strictly regulated swimming experiences with manatees.

Known for its prehistoric fossils, including megalodon teeth, the murky Cooper River offers thrilling, challenging dives for experienced collectors.

A federally protected lake fed by artesian springs, offering diving opportunities to volunteer divers who help preserve its rich wildlife and habitats.