They're almost unbelievable. Impossible blues, electric greens, depths as clear as glass -- all bathed in blinding sunshine.But that's why we like snapshots of beaches: someone lived that saturated fantasy, giving cubicle dwellers hope.Most of these locales are sizzling right now, and a few may need a little more time to heat up, but they're all primed for a daydream visit.Got a great beach photo to share? Submit it at iReport.com.(CNN)ANN.Az