Located on the east shore of Siesta Key, directly on Roberts Bay, Hidden Harbor is a quiet neighborhood in a highly sought-after location. Upscale yet laid back, the neighborhood enjoys a central location with easy access to the Siesta Village and world famous Siesta Key Beach. ... more.Many homes in Hidden Harbor are waterfront properties and include dockage for boats and watercraft. Contemporary Florida architectural design is the predominant style of homes in this neighborhood, but a number of custom-built properties are intermixed and add their own unique flair. To tour Hidden Harbor homes for sale and learn about other Siesta Key properties, visit or contact our Siesta Key real estate office in Siesta Key Village.