16 Seaside Ave, Upper Keys, FL 33037

Upper Keys
Local realty services provided by:Countywide Properties ERA Powered
16 Seaside Ave,Islamorada, FL 33037
$12,500,000
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  • 7 Beds
  • 9 Baths
  • 6,574 sq. ft.
  • Single family
  • Active
Listed by: michaela walters305-923-1337
Office: ocean sothebys intl realty
MLS#:A11992598
Source:SEFMLS

Price summary

  • Price:$12,500,000
  • Price per sq. ft.:$850.92

About this home

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...

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Home facts

  • Year built:2025
  • Listing ID #:A11992598
  • Updated:April 01, 2026 at 05:07 AM

Rooms and interior

  • Bedrooms:7
  • Total bathrooms:9
  • Full bathrooms:7
  • Half bathrooms:2
  • Flooring:Marble, Tile
  • Bathrooms Description:Dual Sinks
  • Kitchen Description:Dishwasher, Disposal, Gas Range, Microwave, Pantry, Refrigerator
  • Bedroom Description:Upper Level Primary, Walk-In Closets
  • Living area:6,574 sq. ft.

Heating and cooling

  • Cooling:Central Air, Zoned
  • Heating:Central
  • Central air:Yes

Structure and exterior

  • Roof:Concrete
  • Year built:2025
  • Building area:6,574 sq. ft.
  • Lot area:0.14 Acres
  • Architectural Style:Contemporary/Modern
  • Construction Materials:Block
  • Exterior Features:Balcony, Fence, Glass Enclosed, Open, Outdoor Grill, Porch, Security High Impact Doors
  • Levels:3+ Story

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$12,500,000
  • Price per sq. ft.:$850.92
  • Tax amount:$8,516 (2025)

Features and amenities

  • Appliances:Dishwasher, Disposal, Dryer, Gas Range, Microwave, Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Balcony, Bar, Barbecue, Closet Cabinetry, Elevator, Impact Glass Windows, Lighting, Pantry, Security Gate
  • Pool features:Heated, Pool
  • Smart home:Yes

Parking

  • Parking description:4 Carport Space(s), Covered, Driveway, Guest
  • Carport spaces:4
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