Aquarius

Aqarius is an undersea laboratory owned by the National Oceanic and Atmospheric Administration (NOAA). Aquarius is administered through NOAA’s National Undersea Research Program (NURP). Aquarius is operated by the University of North Carolina Wilmington’s (UNCW) National Undersea Research Center (NURC). NURP supports six Undersea Research Centers throughout the United States, each of which has a unique geographic charter and specialized capability to support scientists who conduct research in support of coastal and ocean resource science and management.

Check it out here... It's pretty cool, located at 60 feet below the surface, aallows 10 days of study dooing saturation diving on the reefs off of Key Largo... Very Cool...