Longboat Key, United States The Colony Beach & Tennis Resort, located on the Gulf Coast of Florida on exclusive Longboat Key, is the perfect tropical island getaway for romantic escapes for couples or for family vacations and reunions. This relaxed, upscale beachfront destination is also ideal for meetings, conferences, incentive programs, and weddings. The Colony, The No. 1 Tennis Resort in the Nation, offers spacious, all-suite accommodations, unrivaled tennis programs, year-round complimentary children?s programs, full-service spa, comprehensive fitness center and world-class waterfront dining. All located on a private stretch of pristine white sand beach.