The best dive operation in Guánica is Sea Venture Dive Copamarina (tel. 787/821-0505, ext. 729), part of the Copamarina Beach Resort. Copamarina has a long pier where fishing is permitted and a 42-foot (12.6m) Pro Jet dive boat. Guánica is one of the Caribbean's best areas for day and night dives. A two-tank dive costs $95, with full diving equipment. You can also rent snorkeling gear. Whale-watching excursions can be arranged from January to March at the hotel's tour desk, which also offers ecotours, kayaking, deep-sea fishing, and sunset sails. Horseback riding and sunset biking are also available.
At one of the local beaches, Playa Santa, west of town, Pino's Boat & Water Fun (tel. 787/821-6864) will rent you a paddleboat or kayak for $18 to $20 an hour.
One of the most visited sites is Gilligan's Island, a series of mangrove and sand cays near the Caña Gorda peninsula. Part of the dry forest reserve, it is set aside for recreational use. A small ferry departs from in front of Restaurant San Jacinto, just past Copamarina Beach Resort, every hour daily from 10am to 5pm, weather permitting; round-trips cost $5.
