Sea Crest Heights Properties for Sale in Marathon, FL

Discover the Crown Jewel of the Florida Keys.This extraordinary five-acre oceanfront estate redefines luxury, offering 244 feet of private ocean frontage and unmatched tropical serenity. From the moment you pass through the gated entrance, youll be immersed in a world of elegance, privacy, and unparalleled amenities.A timeless Chicago brick-paved driveway winds gracefully along the lush rain forest and fruit orchard, leading through the grand Palm Alley to the heart of the estate, setting the tone for the tropical oasis that awaits.The custom-designed 5,600+/- sq. ft. main residence by DAsign Source showcases architectural brilliance and exquisite craftsmanship. A separate 2,999 sq. ft. guest house includes its own kitchen, multiple bathrooms, workshop, and spacious living areas, making it ideal for hosting guests or staff.The resort-style pool features waterfalls, waterslide, a Tahitian-style river, an expansive spa, a swim-up tiki bar, and a tiki village. Private bedroom balconies provide direct access to this stunning pool, making it perfect for tranquil escapes and lavish entertaining.Boating enthusiasts will love the private marina, boat ramp, and charming bait shack, offering instant access to the world-famous waters of the Keys for fishing, diving, and boating adventures.Inside, the estate is designed to impress, featuring a gourmet kitchen, opulent guest suites with private balconies, and a luxurious movie theater. The primary en-suite dazzles with a spa-like sanctuary, ensuring every moment here is extraordinary.Beyond the elegance, this estate is built for durability and convenience, with impact-resistant windows and doors, generator, and a cistern. Outside, enjoy expansive porches, multiple garages, a barn, and a tortoise habitat . With potential for a private hangar, this property offers unmatched exclusivity.Experience the pinnacle of Florida Keys living--where luxury, tranquility, warmth and prestige come together in perfect harmony.