Exercising in the sand is a great way to get in shape, but as a practical matter, getting to the beach isn't very convenient for most. Even in the Los Angeles area, sitting in traffic can ruin well-intentioned plans for a beach workout. The husband-wife team of David and Minna Herskowitz have reverse-engineered this idea by opening a gym that brings the beach inside. Check out Sandbox Fitness in Sherman Oaks, California:

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