Adventure Antigua tel 268/727-3261 or 560-4672, . Owner Eli Fuller takes passengers by motorboat on a seven-hour ecotour of the northeast coast of the island, showing where the endangered hawksbill turtles lay their eggs, and through the mangrove swamps, to spot rays, frigate birds, osprey and turtles. There are several snorkelling opportunities, and lunch is served on a deserted beach. Cost is US$90 per person, and the trip goes out between two and five times a week, depending on demand.

Jolly Roger Pirate Cruises tel 268/462-2064, . Hearty party cruises, with rope-swinging and walking the plank for would-be pirates and limbo competitions and calypso dance classes for the rest. Around US$50 per person.

Kokomo Cats tel 268 / 462-7245, . Round the island trips (Tues, Thurs, Sat), Cades Reef (Fri), Great Bird Island (Wed) and a triple-destination cruise (Sun) on fast and comfortable catamarans. Kokomo also offers sunset cruises (Tues, Thurs, Sat) from Jolly Harbour on the west coast, out from 6.30pm to 9pm (US$40).

Wadadli Cats tel 268/462-4792. Offers circumnavigation cruises (Thurs, Sat), a sunset cruise (Sat US$40), a triple-destination cruise (Sun) and a trip to Cades Reef (Tues).