Some 500 species—including sailfish, wahoo, bluefin, marlin, barracuda, and red snapper—live in the waters off Cancún. You can charter deep-sea fishing boats for four to eight hours; rates generally include a captain and first mate, gear, bait, and beverages.

Charter Fishing Cancún. This outfit offers sport fishing trips between the mainland and Isla Mujeres. Possible catches include mahimahi, sailfish, barracuda, king mackerel, wahoo, tunas, grouper, snapper, and shark. Boats, ranging in size from 31 to 46 feet, can be chartered for four, six, or eight hours. Shared boats with a maximum of six anglers are also available. Marina Aquatours, Blvd. Kukulcán, Km 6.5, Zona Hotelera, Cancún, Quintana Roo, 77500. 998/200–3240. From M$2110.

Scuba Cancún. In addition to diving trips, Scuba Cancún offers deep-sea fishing expeditions that last from four to eight hours. Playa Langosta, Blvd. Kukulcán, Km 5, Zona Hotelera, Cancún, Quintana Roo, 77500. 998/849–7508 or 998/849–4736. From M$7997.