





























Key Biscayne, FL, 33149
$19.9M
5
Bedrooms
7
Bathrooms
5,940 sqft
Living Area
2017
Year Built
↔ Canal Width
Canal Width 1-80 Feet
Dock Amenities
Waterfront Features
Offering approximately 8,500 square feet of construction, this spectacular waterfront estate on coveted Mashta Island is a rare expression of space, privacy, and coastal elegance. Fully remodeled and designed for effortless indoor-outdoor living, this three-level contemporary residence enjoys direct ocean access, panoramic views of Smugglers Cove and Biscayne Bay, and constant ocean breezes that create a true sense of serenity. Set on a 17,012-square-foot lot in one of Key Biscayne’s most exclusive and tranquil enclaves, the property is surrounded by water, light, and lush tropical landscaping, offering remarkable privacy and a peaceful island atmosphere. The residence features 8,544 square feet of total area, including garage and terraces, with expansive open living spaces, refined finishes, abundant natural light, and impeccable craftsmanship throughout. The flexible floor plan allows for effortless reconfiguration to accommodate additional rooms and customized living areas. World-class amenities include a private dock for boating enthusiasts, resort-style pool, summer kitchen, spectacular covered entertainment level, elevator, gym, garage, and extra parking, creating an exceptional setting for both grand entertaining and everyday enjoyment. This is more than a home...it is a private waterfront sanctuary, offering the rare opportunity to experience the very best of island living in one of Key Biscayne’s most prestigious locations.
Key Biscayne, FL, 33149
Listing courtesy of One Sotheby's International Realty
Last updated: 3/21/2026
© 2026 Miami Association of REALTORS®, Inc. All rights reserved. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of the Miami Association of REALTORS®. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal.
IDX information is provided exclusively for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Dock Score™
Based on dock amenities, ocean access, and waterfront features
Dock Score is a DockOnly.com rating. Not provided by or affiliated with the MLS or listing broker.
Estimate your monthly payment for this waterfront property
$3,980,000 down
Estimated payments only. Actual rates and terms may vary.
See the property and tour the dock. A waterfront specialist will arrange a private showing and provide dock specs, bridge clearances, and water depth info.
Nearest Bridge Clearances
Florida Keys — critical for tall/large vessels
Dock homes need specialized coverage. Get a free quote from a waterfront insurance specialist.
No obligation • Waterfront specialists
© 2026 DockOnly. All rights reserved.
Powered by Blue Mar Real Estate Group Inc. — Licensed Florida Real Estate Broker
Listing data provided by Miami Realtors MLS via Bridge Data Output. Information deemed reliable but not guaranteed. Dock Score™ is a DockOnly.com rating and is not provided by or affiliated with the MLS or listing broker. NOAA chart data is public domain and for reference only — not for navigation. Full MLS Compliance
© 2026 Miami Association of REALTORS®. IDX information provided exclusively for personal, non-commercial use. Listing data last updated every 30 minutes.