Tower39 Rooftop Lounge crowns the SpringHill Suites by Marriott on Carlsbad Boulevard, taking its name from the next sequential number in the lifeguard-tower count along Carlsbad State Beach. The elevated vantage point delivers panoramic Pacific sightlines from fire-pit seating, high-tops, and cushioned loungers, placing it within a coastal hotel-bar corridor that includes Cape Rey Carlsbad Beach, a Hilton Resort and Spa's beachfront terrace to the south. DKN Hotels operates the rooftop as a standalone venue with its own shareable-plate menu of flatbreads, tacos, paninis, and coastal-inspired salads, independent of the SpringHill Suites lobby. Signature cocktails feature locally sourced citrus and seasonal ingredients, and the draft list pulls from North County San Diego craft breweries. The full-buyout option converts the rooftop into a private event space with ocean-backdrop sunsets, a format distinct from the enclosed sports-bar seating at Yard House at The Shoppes at Carlsbad. The SoCal Panini layers grilled chicken, avocado, pepper jack, and chipotle aioli on pressed ciabatta, paired with a house Sunset Mule built on copper-mugged ginger beer and fresh-squeezed lime.