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16 Seaside Avenue, Key Largo, FL 33037

New Listing
$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: 6/25/2026

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 spectacular oceanfront pool, spa and waterfall, gazebo, outdoor kitchen, and integrated indoor/ outdoor surround sound create the perfect setting for entertaining. A private sandy beach and pier provide an idyllic place to enjoy sunrises over the Atlantic, while the rooftop observation deck captures panoramic ocean views of both the ocean and bay. Best of all this property offers the ability for short term 7-Day rentals!

More Information MLS# A12043189

Contract Information

Comp Sale YN: No Occupant Type: Vacant Listing Date: 2026-06-25 Status: Active Original List Price: 11750000 List Price: $11,750,000 Current Price: $11,750,000

Location and Legal

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

General Property Information

Living Area Main: 6585 Accessibility Features YN: Yes Attached Carport YN: Yes Water Frontage Feet: 200 Senior Community YN: No Outdoor Living Spaces YN: Yes Furnished: Unfurnished Stories Total: 3 Pool Private YN: Yes Spa YN: Yes Property Sub Type: Single Family Residence Bedrooms Total: 7 Bathrooms Total: 9 Bathrooms Full: 7 Bathrooms Half: 2 Year Built: 2025 Carport YN: 1 Carport Spaces: 8 Covered Spaces: 8 Waterfront YN: 1 Direction Faces: Northwest

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

Office/Member Information

DXORIGMLSID: SEF

Accessibility Features

Accessible Elevator Installed: 1

Amenities

None: 1

Entry Information

Entry Level: 1

Exterior Features

Built-in Barbecue: 1 Lighting: 1

Flooring

Concrete: 1 Tile: 1

Parking Features

Boat Access/Parking: 1 Driveway: 1 Guest: 1 RV Access/Parking: 1 Attached Carport: 1 Carport: 1

Property Condition

New Construction: 1

Spa Features

Heated: 1 In Ground: 1

Fencing

Fenced: 1

Possession

Close Of Escrow: 1

Sewer

Public Sewer: 1

Special Information

Sold As-Is: 1

Heating

Central: 1

Water View

Beach: 1 Ocean: 1

Window Features

Skylight(s): 1

Appliances

Dishwasher: 1 Dryer: 1 Gas Range: 1 Microwave: 1 Refrigerator: 1 Washer: 1

Construction Materials

CBS: 1 Pre-Cast Concrete Construction: 1

Interior Features

Built-in Features: 1 Closet Cabinetry: 1 Elevator: 1 Entrance Foyer: 1 Pantry: 1 Storage: 1 Walk-In Closet(s): 1 Wet Bar: 1

Levels

Three Or More: 1

Listing Terms

Cash: 1 Conventional: 1 FHA: 1

Pool Features

Concrete: 1 Heated: 1

Roof

Concrete: 1

Security Features

Smoke Detector(s): 1

Water Source

Public: 1

Waterfront Features

Ocean Front: 1

Water Heater Details

Electric Water Heater: 1

Boat and Dock Information

Dock: Yes

Boat and Dock Features

Electric Available: 1 Private Dock: 1 Water Available: 1

Cooling

Other: 1

Showing Requirements

Appointment Only: 1

Master Bedroom/Bath

Other: 1

Pets Allowed YN

Yes: 1

Pool Size Details

Pool Size (WxL): 15x36

Restrictions

No Restrictions: 1

Storm Protection

Impact Glass: Partial

Tax Information

New Construction: 1

Outdoor Living Spaces

Balcony: 1 Porch: 1

Balcony Details

Balcony - Open: 1

Porch Details

Porch - Open: 1

Room Types

Laundry: 1

Price Calculations

Current Price To SqFt: 1784.35

Section Details

Parcel Number MLX: 16

Acreage Description

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

Status Change Information

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

Originating Details

Originating System Key: 515407926 Originating System ID: M00000151

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

Room Information

Laundry
Listing Office: Langley Knight Gardner Islamorada
Last Updated: June - 25 - 2026
16 Seaside Avenue, Key Largo, FL 33037- MLS# A12043189
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