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$12,500,000

  • For Sale
  • Active
  • Single Family
  • 7 Beds
  • 7 Full Baths
  • 2 Partial Baths
  • 6,574 Sq. Ft.
  • Updated 3 days ago
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Welcome to 16 Seaside, an exceptional oceanfront estate offering modern design, premier boating, and investment versatility just one hour from Miami. Set on a protected private basin, the property features secure deep-water dockage for multiple vessels, each with shore power and water-an ideal setup for serious boaters. Spanning 6,585 sq ft under air, the home includes seven bedrooms, seven en-suite baths, and two half baths, with dual primary suites designed for flexibility and privacy. Interiors feature a custom chef's kitchen, climate-controlled wine cellar, elevator, four-zone AC, and full smart-home automation. Expansive living spaces open to multiple terraces with panoramic ocean views, while a third-floor entertainment level offers a standout setting for hosting. Outdoors, enjoy a resort-style pool and spa, covered summer kitchen, tiki hut, and private sandy peninsula, all surrounded by lush landscaping and privacy fencing. Additional features include seven balconies, gated entry, and approximately 2,500 sq ft of covered parking. Built with reinforced concrete, impact glass, and a whole-home generator, the home blends durability with modern luxury. Situated on a .48-acre double lot with flexible suburban commercial zoning, 16 Seaside offers rare potential for private use, events, or vacation rentals in the Florida Keys.

Full Property Details for 16 Seaside Ave

General

  • Price: $12,500,000
  • Taxes: $8,516 (2025)
  • Status: Active
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A11992598
  • Updated: 3/31/2026
  • Added to Site: 158 day(s) ago

Interior

  • Interior Features: First Floor Entry, Bar, Built-in Features, Closet Cabinetry, Elevator, Entrance Foyer, Pantry, Walk-In Closet(s), Family Room, Utility Room/Laundry
  • Appliances: Dishwasher, Disposal, Dryer, Microwave, Gas Range, Refrigerator, Washer
  • Flooring: Marble, Tile

Rooms

Bathrooms

  • Total Bathrooms: 9
  • Full Bathrooms: 7
  • Half Bathrooms: 2
  • Primary Bathroom: 2 Primary Bathrooms, Combination Tub & Shower, Dual Sinks

Bedrooms

  • Total Bedrooms: 7
  • Bedroom Features: Primary Bath Shower, Primary Bath Tub, Primary Bedroom Upstairs

Other Rooms

  • Living Room: Family Room, Glassed Porch Sq. Ft.
  • Laundry: Utility Room/Laundry

Additional Information

  • Pool: Yes
  • Pool Description: Heated, X
  • Spa: Yes
  • Equipment: Elevator

Exterior

  • Exterior Features: Barbecue, Built-In Grill, Lighting, Open Balcony
  • Deck/Patio: Open Balcony, Open Porch, Glass Enclosed

Parking

  • Carport Spaces: 4
  • Covered Spaces: 4
  • Parking Features: Covered, Driveway, Guest

Location

  • Area: Seaside Resubd
  • County: Monroe County
  • Subdivision: SEASIDE RESUBD
  • Building Name: SEASIDE RESUBD
  • Driving Directions: From US1, turn onto Lime street, turn right onto Seaside Ave.
  • Direction Faces: West

Community

  • Community Name: Seaside Resubd
  • Gated community: Yes

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air, Zoned
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Attached, Three Or More Stories, Modern/Contemporary
  • Structure Type: House
  • Detached/Attached: Detached
  • Construction: Concrete Block Construction, CBS Construction
  • Roof: Concrete
  • Windows: Impact Glass
  • Doors: High Impact Doors
  • Entry Location: Foyer
  • Building Size: 14690
  • Square Feet: 6,574
  • Living Area: 6,574 Sq. Ft.
  • Year Built: 2025
  • Property Condition: New Construction

Lot Features

  • Property View: Ocean, Direct Ocean
  • Lot Size (Sq. Ft.): 6,250
  • Frontage Feet: 50
  • Lot Features: 1/2 To Less Than 3/4 Acre Lot
  • Zoning: SC
  • Fencing (Description): Fenced

Water Features

  • Water Front: Yes
  • Water Front Desc.: Ocean Access, Navigable Water, Ocean Front, Seawall

Financial Considerations

  • Price Per Sq. Ft.: $1,901.43
  • Tax Amount: $8,516
  • Tax Year: 2025
  • Terms: All Cash, Conventional

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 OR3156-1053 OR3172-0620 OR3
  • Restrictions: No Restrictions
  • Inclusions: Boatlift, Private Dock, Unrestricted Salt Water Access, Beach, Private Dock, Up to 50 Ft Boat, Water Available
  • Property ID: 00492240-000000

Listed by Ocean Sothebys Intl Realty

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Listing agent

— 16 Seaside Ave —

  • Ocean Sothebys Intl Realty

305-923-1337

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
10/28/2025
Listed
$12,500,000
733.33%
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
2024
$11,156
—
$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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NMLS#: 1598647

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Listed by Ocean Sothebys Intl Realty

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16 Seaside Ave, Islamorada, FL 33037 (MLS# A11992598) is a Single Family property with 7 bedrooms, 7 full bathrooms and 2 partial bathrooms. 16 Seaside Ave is currently listed for $12,500,000 and was received on October 28, 2025. Want to learn more about 16 Seaside Ave? Do you have questions about finding other Single Family real estate for sale in Islamorada? You can browse all Islamorada real estate or contact a Coldwell Banker agent to request more information.

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