Scuba Diving

Aquarius Dive Shop. Staffers at Aquarius rent equipment and give diving lessons and tours. 2040 Del Monte Ave., Monterey, California, 93940. 831/375–1933; aquariusdivers.com.

Monterey Bay National Marine Sanctuary. The sanctuary, home to mammals, seabirds, fish, invertebrates, and plants, encompasses a 276-mile shoreline and 4,601 square nautical miles of ocean. Ringed by beaches and campgrounds, it's a place for whale-watching, kayaking, scuba diving, and other water sports. Monterey, California. 831/647–4201; montereybay.noaa.gov.