Welcome to 4277 5th Avenue, located on the highly desired Yale Harbor lagoon in the fingers section of Avalon. With an estimated completion date of 2025, this 5,700-square-foot custom home designed by renowned Asher Slaunwhite Architects has top-of-the-line finishes throughout. No expense will be spared in the creation of this bayfront estate, boasting six bedrooms, eight baths, a chef's-style kitchen, five decks, pool, spa, cabana, boat slip and a wealth of amenities designed to elevate your lifestyle to new heights. This is hands down one of the most unique bayfront homes to ever hit the market on Seven Mile Island. The home is designed to maximize the bay views and indoor and outdoor entertaining. The exterior will consist of a beautiful combination of cedar shake, boral siding and metal and wood accents working together to create the perfect mix between modern and traditional coastal architecture. The exquisite and inviting courtyard is the centerpiece of this home offering a custom gunite pool and spa as well as a cabana area with a TV, built-in wet bar, and built-in grill. The rear yard offers an additional entertaining space for the kids with a private beach and brand new pier that will lead you down to your 8'x20' boat slip. The first floor seamlessly connects the indoors with the out with a stunning hallway of custom 8 foot glass panels that leads you to the family room. Two en-suite bedrooms and a laundry room round out this level. The second floor greets you with an elegant floor-to-ceiling wine wall and a wet bar that adds a touch of sophistication, enhancing the ambiance for intimate dinners and entertaining throughout. The kitchen, a culinary haven with top-tier Wolf and Sub-Zero appliances, is a chef's dream. Its expansive island with ample seating serves as the perfect prep space while friends and family gather around to accompany the chef. All the living areas connect effortlessly to outdoor spaces through walls of glass that frame water views and result in an inviting indoor/outdoor flow. Three more bedrooms, an office space, laundry room and pantry complete this level. The third story offers the primary retreat with a large private balcony and is a haven of relaxation with the best views in the house. The sanctuary is complete with a spacious walk-in closet, wet bar and a spa-like bath. This home exemplifies refined elegance, where coastal transitional design meets modern luxury. Built by Vallese Contractors and curated by Studio Blu Interiors, this extraordinary offering represents a rare opportunity to experience the pinnacle of Avalon bayfront living. Contact agent today for more details.