Diving and Snorkeling

Aquatica Dive and Surf. Near Gate 5 of the old Ramey Air Force Base, Aquatica offers scuba-diving certification courses (starting at $325), as well as snorkeling, stand-up paddleboarding, and surfing trips. There's a great selection of surfboards and paddleboards for rent. For a memorable adventure, try the two-hour stand-up paddleboard tour down the Río Guajataca. Rte. 110, Km 10, Gate 5, Maleza Alta, Aguadilla, n/a Puerto Rico, 00604. 787/890–6071; www.aquaticapr.com.