Sea Base, formerly known as Florida National High Adventure Sea Base, is a high adventure program base run by the Boy Scouts of America (BSA) in the Florida Keys. Its counterparts are the Philmont Scout Ranch in northern New Mexico, the Northern Tier National High Adventure Bases in Ely, Minnesota as well as Manitoba and Ontario in Canada, and The Summit Bechtel Family National Scout Reserve near the New River Gorge National Park in southern West Virginia.

The Boy Scouts of America is one of the largest scouting organizations and one of the largest youth organizations in the United States, with over 1 million youth, including 176,000 female participants. The BSA was founded in 1910; about 130 million Americans have participated in its programs. Served by 477,000 adult volunteers. BSA became a founding member organization of the World Organization of the Scout Movement in 1922.