Balmy summer days and refreshing, summer cocktails go hand in hand. Whether you're sitting on the beach sipping a pina colada, enjoying a cocktail - or three - while barbecuing with friends, or drinking margaritas on a warm evening, fruity, colorful cocktails are a summertime staple. The only problem? A pina colada has about 650 calories, and the others aren't much better. Thankfully, we've come across a few delicious cocktails, all under 200 calories, that can be enjoyed while keeping you bikini ready.