Welcome to 109 Avenue E, in heart of the Florida Keys! This extraordinary Coastal Contemporary home is not just any residence, it is the personal masterpiece & residence of the builder. Boasting top-of-the-line finishes & impeccable craftsmanship, this property is a true testament to luxury living. The Main residence is a spacious 3 bedroom/3 bath comfortable & stylish retreat. Thoughtfully designed to create an inviting atmosphere, blending modern elegance with coastal charm. From marble floors, to 10 ft ceiling heights, 8 ft solid wood doors and crown molding, there are simply too many high end finishes & details to mention. One highlight of this property is the 855 sq ft guest (or onsite caretaker) apartment, providing a private oasis for visitors or extended family members. With its own separate entrance, the guest apartment offers a cozy living space, great kitchen, large bedroom & full bathroom, ensuring the ultimate comfort & privacy. The boating enthusiast will be delighted by the dockage available for up to 5 boats, 27,000 lb lift - plenty of space for your yacht, center console, skiff and jet skis. Whether you want to explore the crytal-clear waters, embark on fishing adventures, or simply enjoy a relaxing sunset cruise, this property offers the perfect launching point for all your aquatic endeavors. Additionally, a personal boat ramp allows for easy water access, ensuring that your boating experiences are seamless and convenient. The Keys are known for stunning natural beauty & vibrant marine life. Living at 109 Avenue E means you'll have access to an array of recreational activities, world-class fishing, beaches & delicious dining options - all just moments away from your doorstep. Don't miss this exceptional opportunity to own a builder's personal residence with unparalleled finishes, a guest apartment, 3-car garage, ample boat dockage, and personal boat ramp. Marvelous Pool & Patio are in process. This home is the epitome of luxury island living.