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  • 16 Seaside Avenue, Key Largo, FL 33037 (MLS# 619772)

16 Seaside Avenue, Key Largo, FL 33037

$11,995,900
Property Type: Residential Bedrooms: 7 Baths: 9 Square Footage: 6,585 Lot Size (sq. ft.): 20,900 Status: Active
Current Price: $11,995,900 List Date: 5/05/2026 Last Modified: 6/05/2026

Description

Just Completed brand new construction in Key Largo. Welcome to 16 Seaside. This is your opportunity to have it all at your truly rare, ocean front, protected lagoon, Key Largo dream entertainment and relaxation haven. Imagine sitting in your expansive third floor entertainment suite looking out over your outdoor pool and entertainment oasis, across your private lagoon, past your tiki hut on your private beach to your view of the Atlantic Ocean. Outside you have 7 balconies, resort quality pool and covered entertainment kitchen, private lagoon with parking for up to six boats, each with their own shore power and water, secluded beach with tiki hut, privacy fences, automatic gate and approximately 2,500 square feet of covered parking. Inside you have all the amenities of a modern, newly constructed luxury home. You have 6,585 square feet under air with state-of-the-art, comprehensive, fully integrated smart home features, which include full home lighting, climate control, audio and security, as well as outdoor control of the pool and outdoor lighting. This amazing property also includes multilevel entertainment options, stunning ocean views, 7 bedrooms with a primary on each floor, 7 full in-suite bathrooms, 2 half baths, multi floor laundry rooms, walk in and climate-controlled showpiece wine cellar, exquisitely appointed custom-made kitchen, three level elevator, 4 zone cooling, and a whole home back-up generator. Located in Key Largo, this spectacular home is only an hour drive to Miami offering easy travel, big city entertainment and dining while allowing a quick escape back to the tranquility of your seaside hideaway. Escape to your pool with ocean views, catch some sun on your private beach, or enjoy world class fishing and boating with room for all your friends, their boats and all the water toys. This property enjoys a .48-acre double lot, extremely sturdy preform concrete construction, and investor and 1031 exchange friendly suburban/commercial zoning.

More Information MLS# 619772

Contract Information

Listing Board: Florida Keys As is Rght to Inspct: Yes Current Price: $11,995,900 Listing Date: 2026-05-05 List Price: $11,995,900

Location, Tax & Legal

City: KEY LARGO Mile Marker: 94.5 Marathon Neighborhood: N/A Side: Ocean Flood Zone: VE,AE,VE,VE,AE,AE Alternate Key #: 1608459 Parcel #: 00492240000000 Zoning: SC - Sub Urban Commercial District Deed Restrictions: No Legal: 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- Taxes: 8516.36 Tax Year: 2025 Pub Sewer HkUp: Yes Street #: 16 Street Name: Seaside Street Suffix: Avenue Key/Island: Key Largo State/Province: FL Zip Code: 33037 County: Monroe Subdivision: Seaside Sub (94.5) Area: 26 - Key Largo S of MM 96.9

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 4 Lot Size: X Lot SqFt: 20900 Pool: Yes Lot Sqft Source: Builder/Architect Total Units: 0 Acres: 0.48 SqFt Source: Builder/Architect Rentals Allowed: Yes Style: Single Family Year Built: 2025 Living Apx SqFt: 6585 Total Bedrooms: 7 Full Baths: 7 Half Baths: 2 Total Baths: 9

Remarks & Misc

Remarks – Consumer: Just Completed brand new construction in Key Largo. Welcome to 16 Seaside. This is your opportunity to have it all at your truly rare, ocean front, protected lagoon, Key Largo dream entertainment and relaxation haven. Imagine sitting in your expansive third floor entertainment suite looking out over your outdoor pool and entertainment oasis, across your private lagoon, past your tiki hut on your private beach to your view of the Atlantic Ocean. Outside you have 7 balconies, resort quality pool and covered entertainment kitchen, private lagoon with parking for up to six boats, each with their own shore power and water, secluded beach with tiki hut, privacy fences, automatic gate and approximately 2,500 square feet of covered parking. Inside you have all the amenities of a modern, newly constructed luxury home. You have 6,585 square feet under air with state-of-the-art, comprehensive, fully integrated smart home features, which include full home lighting, climate control, audio and security, as well as outdoor control of the pool and outdoor lighting. This amazing property also includes multilevel entertainment options, stunning ocean views, 7 bedrooms with a primary on each floor, 7 full in-suite bathrooms, 2 half baths, multi floor laundry rooms, walk in and climate-controlled showpiece wine cellar, exquisitely appointed custom-made kitchen, three level elevator, 4 zone cooling, and a whole home back-up generator. Located in Key Largo, this spectacular home is only an hour drive to Miami offering easy travel, big city entertainment and dining while allowing a quick escape back to the tranquility of your seaside hideaway. Escape to your pool with ocean views, catch some sun on your private beach, or enjoy world class fishing and boating with room for all your friends, their boats and all the water toys. This property enjoys a .48-acre double lot, extremely sturdy preform concrete construction, and investor and 1031 exchange friendly suburban/commercial zoning.

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No Association Fee $: 0

Fee Includes

None: 1

Dockage

Boat Lift: 1 Boat Slip: 1 Seawall: Concrete

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Washer: 1 Wine Cooler: 1

Pets

Pets Allowed: 1

Cooling

Central Air: 1

Heating

Central: 1 Hot Water: 1 Zoned: 1

Waterfront

Oceanfront: 1

Waterview

Ocean View: 1

Floor

Tile: 1 Wood: 1

Neighborhood Feature

Beach: 1

Interior Features

Bar: 1 Built-in Cabinets: 1 Elevator: 1 Pantry: 1 Security System: 1 Sky Light(s): 1 Smoke Alarms: 1 Storage: 1 Walk-in Closet(s): 1 Wet Bar: 1

Property Condition

New Construction: 1

Specialty Rooms

Laundry Room: 1 Utility Room: 1

Building Style

Above Flood: Yes Stories: 2 Stories

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Car(s): 4+ Covered Parking: 1 Attached: 1

Security

On Premises System: 1

Construction

Concrete: 1

Land Size

1/4 - 1/2 Acre: 1

Furnished

Unfurnished: 1

Terms

Cash: 1 Conventional: 1 No Seller Finance: 1

Utilities

Cable Available: 1 Municipal Sewer: 1 Propane: 1 Whole House Generatr: 1

Porch/Balcony

Open Porch/Balcony: 1 Patio: 1

Title

Negotiable: 1

Exterior Features

Bar: 1 Built-in Grill: 1 Gazebo: 1 Hot Tub: 1 Lighting: 1 Outdoor Kitchen: 1 Privacy Wall/Fence: 1 Sandy Beach: 1 Storage: 1 Water Display: 1

Pool Info

In Ground: 1 Heated: No Concrete: 1

Pre-Wired

Cable: 1 Surround Sound: 1

Roof

Concrete Roof: 1

Financial Status

Standard Sale: Yes

Accessibility Feat

Parking: 1

GF-Interior Features

Dual Flush: 1 LED Lighting: 1 Programmable Thermst: 1

Status Change Info

Status: Active

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Oceanfront Waterview: Ocean View Dockage: Boat Lift; Boat Slip Property Condition: New Construction Vehicle Storage: Attached; Covered Parking Furnished: Unfurnished Cooling: Central Air Heating: Central; Hot Water; Zoned Utilities: Cable Available; Municipal Sewer; Propane; Whole House Generatr Interior Features: Bar; Built-in Cabinets; Elevator; Pantry; Security System; Sky Light(s); Smoke Alarms; Storage; Walk-in Closet(s); Wet Bar Pre-Wired: Cable; Surround Sound Specialty Rooms: Laundry Room; Utility Room Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Range; Refrigerator; Washer; Wine Cooler Exterior Features: Bar; Built-in Grill; Gazebo; Hot Tub; Lighting; Outdoor Kitchen; Privacy Wall/Fence; Sandy Beach; Storage; Water Display Accessibility Feat: Parking Pool Info: In Ground; Concrete Construction: Concrete Floor: Tile; Wood Roof: Concrete Roof Pets: Pets Allowed Neighborhood Feature: Beach Security: On Premises System Land Size: 1/4 - 1/2 Acre Terms: Cash; Conventional; No Seller Finance Title: Negotiable GF-Interior Features: Dual Flush; LED Lighting; Programmable Thermst
Listing Office: Realty & Resources, LLC
Last Updated: June - 05 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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