Most people prefer smoothies—which turn fruits into irresistibly silky beverages—over their competitor, roughies, which transform fruits into hardened criminals. Go the smooth route with today's Groupon: for $5, you get $10 worth of smoothies and sandwiches at Tropical Smoothie Café in Stockbridge.

Blenders whip real fruits, yogurt, and boosters into one of Tropical Smoothie's slew of signature all-natural cup fillers, and a menu of sandwiches and wraps satisfies cravings for healthful, handheld fare. Moods brighten and mouth muscles flex as diners suck downs strawsful of mango, banana, orange, and kiwi from the Sunny Day smoothie ($3.99), and the Health Nut smoothie ($4.59) keeps metabolisms maximized with an energizing blend of blueberries, mango, banana, almonds, and soy or whey protein. For fans of unslurped sustenance, a chipotle chicken sandwich ($6.49) layers pepper jack cheese, chicken breast, red and green bell peppers, and a signature sauce between slices of focaccia bread. Reduced-carb whole-wheat tortillas may lend a diet-friendly air to a totally turkey wrap ($5.99) stuffed full of swiss cheese, Ovengold turkey, diced tomatoes, and light ranch dressing, leaving plenty of room for a dessert-flavored Beach Bum smoothie ($4.59)––a chilly cocktail of pureed bananas, strawberries, and Ghirardelli chocolate that doubles as an indoor sunscreen.

Tropical Smoothie Café's brightly lit, bouncy atmosphere echoes the vibrant yellow of its logo throughout. Free WiFi enables net-addicts to surf the web, and smoothies swirled with omega-3 mental boosters enhance their ability to memorize viral-video quotes.