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For sale
  • $11,750,000

    16 Seaside Ave, Key Largo, FL 33037

    7beds
    6,585sqft
    : 
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    Single Family Residence
    Built in 2025
    0.48 Acres Lot
    $-- Zestimate®
    $1,784/sqft
    $-- HOA

    What's special

    Oceanfront estateOutdoor kitchenBreathtaking atlantic ocean viewsRooftop observation deckPrivate sandy shorelineResort-caliber outdoor livingCovered gazebo
    Beyond the gates lies an oceanfront estate whose finest qualities extend far beyond what you have seen! From its protected private marina offering 6 boat slips and fully integrated smart-home technology to its rooftop observation deck, private sandy shoreline, and resort-caliber outdoor living, every element has been designed to deliver an exceptional waterfront lifestyle. Welcome to 16 Seaside Avenue. This extraordinary 7-bedroom, 7 full and 2 half-bath residence offers luxurious living designed for effortless entertaining and multi-generational enjoyment. From the moment the private gates open, a fully integrated smart home system seamlessly controls the estate--from the front entrance and security system to interior lighting, climate, surround sound, and even the dock lighting--creating a level of convenience rarely found in waterfront homes. A commercial elevator services all three levels, while a whole-house generator provides peace of mind year-round. With everyday living in mind, the home features 2 dedicated laundry rooms for the upmost functionality.Every bedroom serves as a private retreat, complete with its own spa-inspired ensuite bathroom, spacious walk-in closet, and custom built-in closet system. Expansive open living areas are filled with natural light and thoughtfully designed to maximize breathtaking Atlantic Ocean views. Outdoor living rivals that of a private resort. The spectacular oceanfront pool, spa and waterfall, covered gazebo, outdoor kitchen, and integrated indoor and outdoor surround sound create the perfect setting for entertaining. A private sandy beach and pier provide an idyllic place to enjoy spectacular sunrises over the Atlantic, while the rooftop observation deck captures sweeping panoramic ocean views of both the ocean and bay. Best of all this property offers the ability for short term 7-Day rentals! This is a rare opportunity to own an estate designed to deliver the very best of the Florida Keys!
    2 days
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    Zillow last checked:

    Listing updated:

    Listed by:

    Kelsey Caputo - Frins 305-363-9998,

    Berkshire Hathaway HomeServices Keys Real Estate - Islamorada

    Source: FLKMLS,MLS#: 620408MLS LogoOriginating MLS: Florida Keys

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 7
      • Bathrooms: 9
      • Full bathrooms: 7
      • 1/2 bathrooms: 2
      Cooling
      • Central Air
      Appliances
      • Included: Washer, Stainless Steel Appliance(s), Wine Cooler, Ice Machine, Gas Appliances, Freezer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer
      • Laundry: Laundry Room
      Features
      • Wet Bar, Built-in Cabinets, Quartz Countertops, Bar, Walk-In Closet(s), Storage, Elevator, Entrance Foyer, Pantry
      • Flooring: Tile, Concrete
      • Doors: Impact Rstnce Doors
      • Windows: Skylight(s), Impact Rstnce Window
      Interior area
      • Total interior livable area: 6,585 sqft

      Property

      Parking
      • Total spaces: 4
      • Parking features: Carport, Off Street, Open
      • Has carport: Yes
      • Has uncovered spaces: Yes
      Accessibility
      • Accessibility features: Yes
      Features
      • Levels: 3 Stories
      • Stories: 3
      • Patio & porch: Open Porch/Balcony, Roof Top Deck
      • Exterior features: Bar, Storage, Sandy Beach, Outdoor Kitchen, Lighting, Built-in Barbecue, Boat Slip
      • Has private pool: Yes
      • Pool features: In Ground, Concrete
      • Has spa: Yes
      • Spa features: Private
      • Fencing: Privacy,Fenced
      • Has view: Yes
      • View description: Ocean, Water
      • Has water view: Yes
      • Water view: Ocean,Water
      • Waterfront features: Oceanfront, Waterfront, Sandy Beach, Dock: Concrete, Dock Length: 220, Dockage: Boat Lift, Basin, Boat Slip
      Lot
      • Size: 0.48 Acres
      • Dimensions: 50 x 425
      • Features: 1/4 - 1/2 Acre
      Details
      • Additional structures: Gazebo, Chickee Hut
      • Parcel number: 00492240000000
      • Zoning: SR
      • Zoning description: Sub Urban Residential District

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Concrete
      • Roof: Concrete
      Condition
      • Year built: 2025

      Utilities & green energy

      • Electric: Generator, Elect Separate Meter
      • Sewer: Public Sewer
      • Utilities for property: FKAA, Buyer to Verify

      Community & HOA

      Community
      • Security: Smoke Detector(s), Security System, Electric Gate
      • Subdivision: Seaside Sub (94.5)
      HOA
      • Has HOA: No
      • Services included: None
      Location
      • Region: Key Largo

      Financial & listing details

      • Price per square foot: $1,784/sqft
      • Tax assessed value: $884,023
      • Annual tax amount: $8,516
      • Date on market: 6/25/2026

        Estimated market value

        Not available

        Estimated sales range

        Not available

        $5,976/mo

        Price history

        DateEventPrice
        6/25/2026Listed for sale$11,750,000-2%$1,784/sqft
        Source: Key West AOR #620408 Report a problem
        6/18/2026Listing removed$11,995,900$1,822/sqft
        Source: FLKMLS #619772 Report a problem
        5/5/2026Listed for sale$11,995,900+0%$1,822/sqft
        Source: Key West AOR #619772 Report a problem
        5/2/2026Listing removed$11,995,000$1,822/sqft
        Source: MIAMI #A11992598 Report a problem
        4/4/2026Price change$11,995,000-4%$1,822/sqft
        Source: Key West AOR #617061 Report a problem
        10/28/2025Price change$12,500,000-1.6%$1,898/sqft
        Source: Key West AOR #617061 Report a problem
        9/11/2025Price change$12,700,000-1.2%$1,929/sqft
        Source: Key West AOR #615325 Report a problem
        6/4/2025Listed for sale$12,850,000-11.4%$1,951/sqft
        Source: Key West AOR #615325 Report a problem
        6/1/2025Listing removed$14,500,000$2,202/sqft
        Source: Space Coast AOR #1032440 Report a problem
        10/29/2024Listed for sale$14,500,000+866.7%$2,202/sqft
        Source: FLKMLS #612017 Report a problem
        2/11/2022Sold$1,500,000-23%$228/sqft
        Source: FLKMLS #596616 Report a problem
        12/1/2021Contingent$1,949,000$296/sqft
        Source: Key West AOR #596616 Report a problem
        11/19/2021Price change$1,949,000-2.5%$296/sqft
        Source: Key West AOR #596616 Report a problem
        9/22/2021Price change$1,999,000-4.8%$304/sqft
        Source: FLKMLS #596616 Report a problem
        8/9/2021Price change$2,100,000-2.3%$319/sqft
        Source: FLKMLS #596616 Report a problem
        7/12/2021Price change$2,150,000-4.4%$326/sqft
        Source: FLKMLS #596616 Report a problem
        6/23/2021Listed for sale$2,250,000$342/sqft
        Source: FLKMLS #596616 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$8,516 -23.7%$884,023 -27.7%
        2024$11,156 -30.7%$1,222,352 -32.6%
        2023$16,109 +44.3%$1,812,842 +47.9%
        2022$11,167 +65.6%$1,225,564 +86.3%
        2021$6,743 +312.6%$657,861 +379.5%
        2020$1,634 $137,186 +2.3%
        2019$1,634 +1.4%$134,102 +1.9%
        2018$1,612 +0.1%$131,602 +2.1%
        2017$1,610 +2.3%$128,896 +2.1%
        2016$1,574 -0.5%$126,245 +0.7%
        2015$1,581 $125,367

        Find assessor info on the county website

        Monthly payment

        Est. payment

          Payment breakdown

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          All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
          HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
          Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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          Climate risks

          Neighborhood: 33037

          Getting around

          22 / 100
          Car-Dependent
          45 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating

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