Any serious body builder will tell you that the best place to work out is on the bottom of the ocean, because that's the only way to get really big mussels. Bulk up or slim down with today's Groupon for Peninsula Fitness, two locations:

The Deal

$9 for a 30-day gym membership for one person (total value up to $90)

$19 for a 30-day gym membership for two people (total value up to $180)

$29 for a 30-day gym membership for three people (total value up to $270)

Peninsula Fitness

Peninsula Fitness boasts two locations, one in Kippa Ring and one in Margate. The gyms are open 24 hours a day to help folks fit their fitness regime around their busy lives and careers. A range of equipment and classes including free weights, resistance machines and cardio equipment as well as a virtual spinning room helps fitness fanatics vary their workout. Personal training sessions are available for those looking for some added attention.