Experience ultimate luxury at a Destin spa favorite in northwest Florida. Our name, Serenity by the sea Spa, captures this tranquil South Walton full-service spa experience. Inspired by our beautiful seaside setting in South Walton’s Miramar Beach, Hilton Sandestin’s award-winning spa is a harmonious blend of atmosphere, services and products that leave guests feeling truly refreshed. Featuring 14,500 square feet of absolute serenity near Destin.