Cordless Jump Rope
Jumping rope is one of the most effective and quickest ways to burn calories, and now you can get your cardio workout done without leaving (or destroying) your hotel room or disturbing your neighbors with this rope. It's a cinch to use and won't take up much space in your suitcase.
To buy: Digital Cordless Jumping Rope, $16
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Travel Dumbbells
These dumbbells collapse flat for packing, and when you're ready to weight train you just fill them with water. You can adjust the amount of weight depending on how much water you add, and they plump up to 16 pounds each.
To buy: Aquavells, $50
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Resistance Band
With a lightweight resistance band you can turn your hotel room into a gym. Choose between a light, medium, heavy, or very heavy band and each one comes with a door attachment and two handy exercise charts so you can get buff before hitting the beach.
To buy: Resistance Band, $12
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Exercise Ball and Pump
If you prefer using an exercise ball to strength train, it easily deflates and takes up a small amount of room. Pack along the pump that comes with it and you'll have an instant gym.
To buy: Exercise Ball, $32
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Fitness DVDs
Pack along your computer and a few of your favorite fitness DVDs, and you can sweat, strength train or stretch any time you want.
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Exercise Printouts
If you're into a quick sweat session, here are some highly portable FitSugar workouts to download, print and pack.
If you have access to the hotel's gym, here are two card workouts you can follow:
Lightweight Travel Mat
Yoga is the perfect complement to a relaxing vacation. Pack a lightweight travel mat like this one. Not only is it eco-friendly, but it weighs only two pounds. Just fold it up and place it in the bottom of your suitcase.
To buy: Manduka eKO SuperLite Travel Mat, $39
Travel Hoop
If hooping has become your new favorite form of fitness, bring along a travel hoop that can disassemble to fit in your suitcase.
To buy: TravelHoop, $40