It's almost that time of year we all dread - bathing suit season. Though we know it's coming, it always seems to creep up on us and suddenly we've run out of time to whip ourselves into shape. You can try intense liquid-based cleanses, diet pills, and 20 minutes on the elliptical each day - or you can find an exercise class that will kick your butt. If you live in Los Angeles and can make it over to Marina Del Ray, I've got just the place for you.