230 15Th Circle Brand new 2025 waterfront masterpiece. 5 bed, 4 bath, 3, 580 sf on a 9, 720 sf lot. Built 100% CBS with impact glass and metal roof.Luxurious finishes include Calacatta Viola, travertine and coral stone, Thermador 48' gas range, marble hood, Brizo fixtures, wine cellar, expansive walk-in closets, and private office.Resort-style outdoors: 10x28 pool with sun shelf, summer kitchen, brand-new deep-water dock, private putting green and mini-golf, lush tropical landscaping.Exclusive Sunset Park enclave offers a private beach for residents only and its own 24-hour police department. Optional Cabana Club membership unlocks oceanfront pool, bar and beach. Enjoy the island's 9-hole golf course, tennis and pickleball courts, and Marathon private airport just 10 minutes away.World-class fishing at your doorstep: seconds to Vaca Cut, Marathon hump, deep drops, reefs, Grassy Key sandbar and daily charters across the street.This is the ultimate secure, private Keys trophy home built for those who expect nothing less than perfection.