1.   Activities include glass-bottom boat tours, snorkeling, sailing, scuba lessons and rental equipment for the day.

2.   Cruises can also be learning experiences, offering fascinating talks on everything from wildlife of the area you will visit in port to world economics to scuba lessons.

3.   He once overcame a fear of sharks by taking scuba lessons.

4.   His description of scuba lessons at a local pool is as telling an anecdote as any about his shamefaced struggle for independence.

5.   In the morning, we watched an instructor giving scuba lessons in the hotel pool.

6.   Rates include tennis, windsurfing, snorkeling, sailing and water-skiing, as well as an introductory scuba lesson.