3. Get into the water as much as you can. Don't allow yourself to spend all your time sitting in front of the water. Whether it is the ocean, a swimming pool or a tree-lined lake, make sure you get into the water for swimming or games or even walking. Merely standing in waist-high water is a good workout, thanks to the action of the water.
4. Fly a stunt kite. If there's a good wind blowing, buy a stunt kite and take it to the beach or other large open space. These kites can be easily assembled, then taken apart, making them perfect for traveling. You'll give your upper body a great workout as you struggle to control the kite. You may also have to run or walk to keep the kite in the air – or chase it down once it plummets to the earth.
5. Choose a cruise. It's amazing how active you can be while stuck on a boat in the middle of the ocean. Most cruise ships offer numerous options for seaworthy exercise. Many have pools, golf simulators, climbing walls, fitness centers, jogging and walking areas and instructor-led fitness classes – and that's just what's on board. During any ocean and land excursions you can burn calories as you snorkel, hike, scuba-dive and horseback ride.