16 Seaside Avenue, Key Largo, FL 33037

bedrooms 7
bathrooms 8
|House
AUD $16,879,756
USD $11,750,000
Published on: 26 Jun 2026
Last updated on: 07 Oct 2026
16 Seaside Avenue, Key Largo, FL 33037
16 Seaside Avenue, Key Largo, FL 33037
16 Seaside Avenue, Key Largo, FL 33037
+115
16 Seaside Avenue, Key Largo, FL 33037
  • 115
Property ID: 110109033734
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Residential, Key Largo, FL

16 Seaside Avenue, Key Largo, FL 33037
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. 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! SELLER FINANCING AVAILABLE!

Property Details

Basic Info

Property Type
House
Listing Status
Active
Land Size
1,942.49 m2
Building Size
611.77 m2
Year Built
2025
Rooms
7 bedroom(s), 8 bathroom(s)
County
Monroe
Parcel ID
00492240000000
Provider
Florida Keys Board of REALTORS®
Subdivision
Seaside Sub (94.5)
Brokerage Office Name
Berkshire Hathaway HomeServices Freewheeler Realty
Brokerage Office Phone
(305) 664-4444
Neighbourhoods
Seaside Sub (94.5)
Address
16 Seaside Avenue, Key Largo, FL 33037

Tax History

YearTax amount
2025USD $8516AUD $12,234*

*Converted price in your currency provided by Open Exchange Rates. Exchange rates are subject to continuous change. Neither realestate.com.au nor its affiliates guarantee that the conversion reflects current conversion rates and are not responsible for any inaccuracies. realestate.com.au recommends that you independently verify any information before relying on it.

Contact Agent
Kelsey Caputo - Frins
Berkshire Hathaway HomeServices Keys Real Estate - Islamorada
85992 Overseas Hwy , Islamorada, FL 33036
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Kelsey Caputo - Frins
85992 Overseas Hwy , Islamorada, FL 33036
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      Property ID: 110109033734

      Original Property ID: 3yd-FLKEYSMLSFL-620408
      Data provided by Florida Keys Board of REALTORS®, MLS #: 620408
      * THIS SERVICE MAY CONTAIN TRANSLATIONS POWERED BY GOOGLE. GOOGLE DISCLAIMS ALL WARRANTIES RELATED TO THE TRANSLATIONS, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTIES OF ACCURACY, RELIABILITY, AND ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
      Copyright © 2026 Florida Keys Board of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.