The two most popular activities are snorkeling tours to Deer Island and parasailing—nearly every hotel offers both, along with kayak and Jet Ski rentals. A few outfitters, including the Aqua Sport Center, offer scuba, but Mazatlán is not a popular diving area.
Aqua Adventures rents kayaks ($12–$15 an hour) and WaveRunners ($60 an hour) and offers short parasailing and banana-boat rides. Royal Villas Resort, Av. Camarón Sábalo 500, Zona Dorada, Mazatlán, Sinaloa, 82110. 669/916–6161.
AquaSport Center offers banana boat and parasailing rides and rents WaveRunners, kayaks, Boogie boards, and sailboats. Its staffers can also arrange half-day trimaran trips to Isla de los Venados aboard the Kolonahe, docked at El Cid Marina. Av. Camarón Sábalo s/n, next to Hotel La Puesta del Sol, Zona Dorada, Mazatlán, Sinaloa, 82110. 669/913–3333 Ext. 3341.
The 4-acre Parque Acuático Mazagua has slides, wading pools, and a wave pool as well as picnic facilities with barbecue grills. Entrance is about $12 per person; the park is open 10–6 Wednesday through Sunday for most of the year and daily in July, August, and during school holidays. Av. Sábalo Cerritos and Entronque Habal Cerritos, Nuevo Mazatlán, Mazatlán, Sinaloa, 82000. 669/988–0041. www.mazagua.com.