John Besh of Restaurant August in New Orleans serves this lightly sweet, fruity white-wine sangria over plenty of ice cubes. "Use Viognier — it has a nice balance of fruit and acidity," he says.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails

If you like piña coladas, try this lower-calorie version using ripe bananas blended with fresh pineapple and coconut milk. Serve it in festive tropical-drink glasses.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails

To keep calories in check, use seltzer along with juice in drinks like vodka and cranberry. This version gets a raspberry twist with cranberry-raspberry juice and raspberries for garnish. For the prettiest garnish, start with big, plump fresh raspberries and freeze them yourself.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails

Bacardi Razz and blue Curaçao spruce up a standard mojito for a fresh and bright summer cocktail. Blueberries and raspberries with mint add the perfect finishing touch.

Source: http://www.delish.com/entertaining-ideas/parties/cocktail-parties/summer-cocktails