4. Diving Business and Technology
School: Florida Keys Community CollegeLocation: Key West, Florida
Tuition cost per semester: In-state, $2,878. Out-of-state, $5,844
Students can dive right into the diving business at Florida Keys Community College. The major allows students to learn more about the ins and outs of diving while they submerge themselves in other disciplines, like marine biology and underwater photography. Graduates go on to operate their own diving businesses and teach diving lessons.