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$11,750,000 Just Listed

  • For Sale
  • Active
  • Commercial Residential Facility
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Exceptional opportunity to acquire a newly constructed oceanfront estate in Key Largo offering luxury, income potential and substantial waterfront infrastructure. This 7-bedroom, 7-full and 2-half-bath residence is eligible for 7-day vacation rentals, creating an opportunity for investors seeking a luxury short-term rental, corporate retreat or hybrid investment/personal residence. Designed for large-group accommodations, all seven bedrooms feature private ensuite baths and custom walk-in closets. A commercial elevator services all three levels, while a fully integrated smart-home system extends from the gated entrance throughout the residence to the pool and dock. Additional features include interior/exterior surround sound and a whole-house generator. Outside, the property functions as a private resort with an oceanfront pool, gazebo, outdoor kitchen, sandy pier and rooftop deck. A protected private boat basin with six slips provides exceptional dockage and immediate access to the Florida Keys boating lifestyle. SELLER FINANCING AVAILABLE! Contact listing agent for Pro Formas and financing details.

Full Property Details for 16 Seaside Ave

General

  • Price: $11,750,000
  • Taxes: $8,516 (2025)
  • Status: Active
  • Type: Commercial Residential Facility
  • Source: 927
  • MLS ID: 621086
  • Updated: 8/24/2026
  • Added to Site: 4 day(s) ago

Business

  • Name: Yes

Interior

  • Interior Features: Entrance Foyer, Pantry, Smoke Alarms, Wet Bar
  • Appliances: Dishwasher, Dryer, Range, Refrigerator, Washer
  • Flooring: Tile

Rooms

Bathrooms

  • Total Bathrooms: 9
  • Full Bathrooms: 7
  • Half Bathrooms: 2

Bedrooms

  • Total Bedrooms: 7

Exterior

  • Exterior Features: Boat Slip

Parking

  • Parking Features: Off Street, Carport

Location

  • Area: 26 - Key Largo S of MM 96.9
  • County: Monroe
  • Subdivision: Seaside Sub (94.5)

Community

  • Assoc. Fees Include: None

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air

Structural Information

  • Construction: Concrete
  • Roof: Concrete
  • Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
  • Square Feet: 6,585
  • Year Built: 2025

Lot Features

  • Property View: Open Water View, Ocean
  • Lot Size (Acres): 0.14
  • Lot Size (Sq. Ft.): 6,250
  • Lot Dimensions: x
  • Zoning: SC - Sub Urban Commercial District

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: Oceanfront

Financial Considerations

  • Tax Amount: $8,516.36
  • Tax Year: 2025

Disclosures and Reports

  • Legal Description: Pt Sq 4 Re-Sub Seaside Pb2-10 Key Largo G57-212 Or773-777 Or773-778 Or917-2251 Or1326-1721 Or3134-136 Or3134-177 Or3156-
  • Flood Zone: AE9/Yes0
  • APN: 492240000000

Listed by Berkshire Hathaway HomeServices Keys Real Estate - Islamorada, Kelsey Caputo - Frins (305) 363-9998

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Listing agent

— 16 Seaside Ave —

  • Kelsey Caputo - Frins

    Berkshire Hathaway HomeServices Keys Real Estate - Islamorada

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 16 Seaside Ave

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Key Largo School
104801 Overseas Highway, Key Largo, FL 33037
PK-810.1 mi
Coral Shores High School
89901 Old Highway, Tavernier, FL 33070
9-124.3 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 16 Seaside Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/24/2026
Listed
$11,750,000
683.33%
MLS
2/11/2022
Sold
$1,500,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 16 Seaside Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$8,516
-24%
$884,023
-28%
2024
$11,156
-31%
$1,222,352
-33%
2023
$16,109
139%
$1,812,842
176%
2021
$6,743
-40%
$657,861
-46%
2022
$11,167
66%
$1,225,564
793%
2021
$6,743
318%
$137,186
2%
2019
$1,612
—
$134,102
2%
2018
$1,610
2%
$131,602
2%
2017
$1,574
—
$128,896
2%
2016
$1,581
-3%
$126,245
1%
2015
$1,626
-3%
$125,367
1%
2014
$1,676
-1%
$124,372
1%
2013
$1,697
—
$122,534
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by Berkshire Hathaway HomeServices Keys Real Estate - Islamorada, Kelsey Caputo - Frins (305) 363-9998

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16 Seaside Avenue, Key Largo, FL 33037 (MLS# 621086) is a Commercial Residential Facility property. 16 Seaside Avenue is currently listed for $11,750,000 and was received on August 24, 2026. Want to learn more about 16 Seaside Avenue? Do you have questions about finding other Commercial Residential Facility real estate for sale in Key Largo? You can browse all Key Largo real estate or contact a Coldwell Banker agent to request more information.

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