If you’re in Sin City and yearn for exciting exercise, consider this wet and wild adventure. Take some time off from casino card sharks to swim close up and personal with actual, living ocean predators. It can be an enjoyable experience in the hotel’s expansive Shark Reef.

To participate, you must be dive-certified and at least age 18. The program includes up to 45 minutes among sharks, stingrays, turtles and other undersea life, with all protective and air equipment furnished. The fee for one diver is $650, or $1,000 for two swimming together, and includes videos and photos to record the memories.

Dives are available by reservation on Tuesday, Thursday, Saturday and Sunday afternoons. For more info and bookings, go to www.mandalaybay.com