16 Seaside Avenue, Key Largo, FL 33037 (MLS# A12043189)


Offices Agents
7
Agents Found
Agustin Arellano
Southfields Real Estate, Inc.
ph: 803-295-3388
[email protected]
Ashley Arguello
Southfields Real Estate, Inc.
ph: 908-670-0614
[email protected]
http://oneforonegroup.com
Carlos R. Arellano
Southfields Real Estate, Inc.
ph: 561-644-2474
[email protected]
http://HTTP://WWW.SOUTHFIELDSRE.COM
Diego Arellano
Southfields Real Estate, Inc.
ph: 561-389-4699
[email protected]
http://southfieldsre.com/
Gina O Arellano
Southfields Real Estate, Inc.
ph: 305-389-0259
[email protected]
http://HTTP://WWW.GINAARELLANO.COM

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16 Seaside Avenue, Key Largo, FL 33037

$11,750,000
Property Type: Residential Bedrooms: 7 Baths: 9 Square Footage: 6,585 Status: Active
Current Price: $11,750,000 List Date: 6/25/2026 Last Modified: 7/09/2026

Overview

Description

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 Ocean views. Outdoor living rivals that of a private resort. The ...

Listing Details MLS# A12043189

General Property Information

Property Sub Type
Single Family Residence
Bedrooms Total
7
Bathrooms Total
9
Bathrooms Full
7
Bathrooms Half
2
Living Area Main
6585
Accessibility Features YN
Yes
Year Built
2025
Carport YN
Yes
Attached Carport YN
Yes
Carport Spaces
8
Covered Spaces
8
Senior Community YN
No
Waterfront YN
Yes
Water Frontage Feet
200
Outdoor Living Spaces YN
Yes
Stories Total
3
Direction Faces
Northwest
Pool Private YN
Yes
Spa YN
Yes
Furnished
Unfurnished

Property Features

Accessibility Features: Accessible Elevator Installed Exterior Features: Built-in Barbecue; Lighting Flooring: Concrete; Tile Parking Features: Boat Access/Parking; Driveway; Guest; RV Access/Parking; Attached Carport; Carport Property Condition: New Construction Spa Features: Heated; In Ground Appliances: Dishwasher; Dryer; Gas Range; Microwave; Refrigerator; Washer Water Heater Details: Electric Water Heater Boat and Dock Features: Electric Available; Private Dock; Water Available Construction Materials: CBS; Pre-Cast Concrete Construction Cooling: Other Fencing: Fenced Heating: Central Interior Features: Built-in Features; Closet Cabinetry; Elevator; Entrance Foyer; Pantry; Storage; Walk-In Closet(s); Wet Bar Levels: Three Or More Listing Terms: Cash; Conventional; FHA Pets Allowed YN: Yes Pool Features: Concrete; Heated Possession: Close Of Escrow Restrictions: No Restrictions Roof: Concrete Security Features: Smoke Detector(s) Sewer: Public Sewer Special Information: Sold As-Is Tax Information: New Construction Water Source: Public Water View: Beach; Ocean Waterfront Features: Ocean Front Window Features: Skylight(s) Showing Requirements: Appointment Only Outdoor Living Spaces: Balcony; Porch Balcony Details: Balcony - Open Porch Details: Porch - Open Room Types: Laundry Acreage Description: 1/4 To Less Than 1/2 Acre Lot

Contract Information

Comp Sale YN
No
Original List Price
11750000
Occupant Type
Vacant

Location and Legal

Country
United States
County Or Parish
Monroe
County Parish Name
Monroe
Street Number
16
Street Name
Seaside
Street Suffix
Avenue
City Name
Key Largo
Municipal Code
38
State Or Province
FL
Postal Code
33037
Postal Zip
33037
Subdivision Name
SEASIDE RESUBD
Area
5940 - Other Florida County
Geographic Area
Other
Elementary School
Key Largo
Middle Or Junior School
Key Largo
High School
Coral Shores
Special Assessment YN
No
Parcel Number
00492240000000
Subdivision Number
1737
Zoning
Single Family

Financial Information

Membership Fee Required YN
No
Tax Annual Amount
8516
Tax Year
2025
Tax Legal Description
PT SQ 4 RE-SUB SEASIDE PB2-10 KEY LARGO (II DEED 23799) G57-212

Status Change Information

Major Change Timestamp
2026-06-25T04:00:00Z
Major Change Type
New Listing
Status Change Date
2026-06-25

More Information

Entry Information

Entry Level
Yes

Boat and Dock Information

Dock
Yes

Pool Size Details

Pool Size (WxL)
15x36

Storm Protection

Impact Glass
Partial

Price Calculations

Current Price To SqFt
1784.35

Section Details

Parcel Number MLX
16

Originating Details

Originating System Key
515407926
Originating System ID
M00000151

Office/Member Information

DXORIGMLSID
SEF

Accessibility Features

Accessible Elevator Installed
Yes

Amenities

None
Yes

Exterior Features

Built-in Barbecue
Yes
Lighting
Yes

Flooring

Concrete
Yes
Tile
Yes

Parking Features

Boat Access/Parking
Yes
Driveway
Yes
Guest
Yes
RV Access/Parking
Yes
Attached Carport
Yes
Carport
Yes

Property Condition

New Construction
Yes

Spa Features

Heated
Yes
In Ground
Yes

Fencing

Fenced
Yes

Possession

Close Of Escrow
Yes

Sewer

Public Sewer
Yes

Special Information

Sold As-Is
Yes

Heating

Central
Yes

Water View

Beach
Yes
Ocean
Yes

Window Features

Skylight(s)
Yes

Appliances

Dishwasher
Yes
Dryer
Yes
Gas Range
Yes
Microwave
Yes
Refrigerator
Yes
Washer
Yes

Construction Materials

CBS
Yes
Pre-Cast Concrete Construction
Yes

Interior Features

Built-in Features
Yes
Closet Cabinetry
Yes
Elevator
Yes
Entrance Foyer
Yes
Pantry
Yes
Storage
Yes
Walk-In Closet(s)
Yes
Wet Bar
Yes

Levels

Three Or More
Yes

Listing Terms

Cash
Yes
Conventional
Yes
FHA
Yes

Pool Features

Concrete
Yes
Heated
Yes

Roof

Concrete
Yes

Security Features

Smoke Detector(s)
Yes

Water Source

Public
Yes

Waterfront Features

Ocean Front
Yes

Water Heater Details

Electric Water Heater
Yes

Boat and Dock Features

Electric Available
Yes
Private Dock
Yes
Water Available
Yes

Cooling

Other
Yes

Showing Requirements

Appointment Only
Yes

Master Bedroom/Bath

Other
Yes

Pets Allowed YN

Yes
Yes

Restrictions

No Restrictions
Yes

Tax Information

New Construction
Yes

Outdoor Living Spaces

Balcony
Yes
Porch
Yes

Balcony Details

Balcony - Open
Yes

Porch Details

Porch - Open
Yes

Room Types

Laundry
Yes

Acreage Description

1/4 To Less Than 1/2 Acre Lot
Yes

Room Information

Room Name
Laundry
IDX
Listing Office: Langley Knight Gardner Islamorada
Last Updated: July - 09 - 2026
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. Copyright 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User. Site contains live data.

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