GROWING UP in the boonies of Idaho, summertime meant swimming our fool faces off all the time—before work, at lunch, and careening off boats after work. But moving to the city put a little damper on my backstroke action (and yours too, I suspect). But guys... we're just being silly—we're rolling deep in bodies of water fit for hootin' and hollerin'. So let's get to swimming and floating and aqua carousing! Here's a handy guide...