DKN Hotels today announced the opening of a new rooftop lounge at the SpringHill Suites by Marriott San Diego Carlsbad. Located at 3136 Carlsbad Boulevard, Tower39 Rooftop Lounge features signature cocktails crafted with the freshest locally sourced ingredients and beers from local breweries. The menu focuses on fresh salads, small plates featuring tacos, paninis and flatbreads, as well as numerous shareable sides.