Swimming With The Dolphins

• On Isla Mujeres, you have the opportunity to swim with dolphins at Dolphin Discovery (tel. 998/849-4757; www.dolphindiscovery.com). There are several options for dolphin interaction, but my choice is the Royal Swim, which includes an educational introduction followed by 30 minutes of swim time. The price is $125 (MasterCard and Visa are accepted), with transportation to Isla Mujeres an additional $5 for program participants. Advance reservations are required. Assigned swimming times are 10am, noon, 2, or 3:30pm, and you must arrive 1 1/2 hour before your scheduled swim time.

• In Cancún, the Parque Nizuc (tel. 998/881-3030) marine park offers guests a chance to swim with dolphins and view them in their dolphin aquarium, Atlántida. The price of the dolphin swim ($135) includes admission to the park. It's a fun place for a family to spend the day, with its numerous pools, waterslides, and rides.
  
  Visitors can also snorkel with manta rays, tropical fish, and tame sharks. It's at the southern end of Cancún, between the airport and the Hotel Zone. Admission is $27 for adults, $23 for children 3 to 11 (American Express, MasterCard, and Visa are accepted).
  
  Open daily from 10am to 5:30pm.