16 Seaside Avenue, Key Largo, FL 33037 (MLS# 617061)

16 Seaside Avenue, Key Largo, FL 33037

$11,995,000

Virtual Tour

https://bcove.video/3KCqjwJ

6 slip marina with deep water and boat lift

Modern and coastal architectural masterpiece

Direct ocean front home on an estate sized lot

Over 3000 sq. ft. of living space on each level

Perfect for corporate events or family reunions

8 unit gas burners on this top of the line stove

Beautiful marbles in quartzite counters throughout

Custom sized doors for all rooms and closets

Marina can dock up to 6 large vessels. Perfect for corporate retreats

Custom walk-in closet with guest bedroom

Put turf up here or a small bar area with lounging chairs

Modern and electric gate with fencing for privacy

Property Type: Residential Bedrooms: 7 Baths: 9 Square Footage: 6,585 Lot Size (sq. ft.): 21,250 Status: Active

Current Price: $11,995,000 List Date: 10/28/2025 Last Modified: 4/13/2026

Overview

Description

Welcome to 16 Seaside, an extraordinary oceanfront estate showcasing the perfect balance of modern design, functionality, and refined coastal living. This newly constructed residence is situated on a protected private basin offering the rare, secure deep-water dockage with a sandy peninsula. The private basin provides parking for up to six vessels, each equipped with shore power and water, making it a boater's dream. Spanning 6,585 square feet under air, the home features seven bedrooms, seven en-suite baths, and two half baths, including dual primary suites designed for multi-generational living or guest privacy. The interior exudes modern luxury with a custom chef's kitchen, climate-controlled wine cellar, multi-level elevator, four-zone AC system, and comprehensive smart-home automation managing lighting, audio, climate, pool, and security. Every detail was curated for seamless living and entertaining, from the expansive third-floor entertainment suite overlooking the ocean to the ... (Read more)

Listing Details MLS# 617061

Location, Tax & Legal

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
City: KEY LARGO
Off Shore Island: No
Mile Marker: 94.5
Marathon Neighborhood: N/A
Side: Ocean
Flood Zone: AE,AE,AE
Alternate Key #: 1608459
Handicap Access: Yes
Parcel #: 00492240-000000
Zoning: SC - Sub Urban Commercial District
Deed Restrictions: Unknown
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: 11156.25
Tax Year: 2024
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Florida Keys
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Species List: No

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 4
Pool: Yes
Year Built: 2025
Lot SqFt: 21250
Lot Sqft Source: Tax Records
Acres: 0.48
Living Apx SqFt: 6585
SqFt Source: Appraisal
Total Bedrooms: 7
Full Baths: 7
Half Baths: 2
Total Baths: 9
Rentals Allowed: Yes
Total Units: 0

Association Info

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

Dockage

Dock: Concrete
Seawall: Concrete
Basin: Yes
Boat Lift: Yes
Boat Slip: Yes
Dock Privileges: Yes

More Information

Building Style

Above Flood: Yes
Stories: 3 Stories

Pool Info

Heated: No
In Ground: Yes
Salt Water: Yes
Concrete: Yes

Financial Status

Auction: No
Bank Owned: No
Potential Short Sale: No
Standard Sale: Yes

Remarks & Misc

Remarks – Consumer: Welcome to 16 Seaside, an extraordinary oceanfront estate showcasing the perfect balance of modern design, functionality, and refined coastal living. This newly constructed residence is situated on a protected private basin offering the rare, secure deep-water dockage with a sandy peninsula. The private basin provides parking for up to six vessels, each equipped with shore power and water, making it a boater's dream. Spanning 6,585 square feet under air, the home features seven bedrooms, seven en-suite baths, and two half baths, including dual primary suites designed for multi-generational living or guest privacy. The interior exudes modern luxury with a custom chef's kitchen, climate-controlled wine cellar, multi-level elevator, four-zone AC system, and comprehensive smart-home automation managing lighting, audio, climate, pool, and security. Every detail was curated for seamless living and entertaining, from the expansive third-floor entertainment suite overlooking the ocean to the open-concept living spaces lined with glass doors and terraces capturing panoramic views. Outdoors, enjoy a resort-style pool and spa, covered summer kitchen, and a tiki hut on your private sandy beach framed by lush landscaping and privacy fencing. Seven balconies provide stunning vantage points, while an automatic entry gate and approximately 2,500 square feet of covered parking offer security and convenience. Built to last with reinforced, poured concrete construction, impact glass, and a whole-home generator, this residence combines elegance with durability. Set on a .48-acre double lot with flexible suburban/commercial zoning ideal for events and vacation rentals, 16 Seaside delivers unmatched versatility and long-term value. Located just one hour from Miami, this exceptional Key Largo waterfront estate embodies the essence of a Florida Keys lifestyle, where oceanfront serenity, modern craftsmanship, and world-class boating converge in one remarkable private estate sized property
Directions: Take Ocean to Seaside Avenue Mile Marker 95 ocean side

Fee Includes

None: Yes

Tax Exemptions

None: Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Microwave: Yes
Oven: Yes
Range: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes
Wine Cooler: Yes

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes

Heating

Central: Yes
Forced Air: Yes
Hot Water: Yes
Zoned: Yes

Waterfront

Oceanfront: Yes
Open Water: Yes

Waterview

Ocean View: Yes
Open Water View: Yes

Floor

Tile: Yes
Wood: Yes

Neighborhood Feature

Bike Paths: Yes
Other Area Features: Yes

Interior Features

Bar: Yes
Brazilian Quartzite Countertops: Yes
Built-in Cabinets: Yes
Cathedral Ceilings: Yes
Drapes/Blinds Incl: Yes
Elevator: Yes
Entrance Foyer: Yes
Pantry: Yes
Quartz Countertops: Yes
Security System: Yes
Sky Light(s): Yes
Smoke Alarms: Yes
Split Bedroom: Yes
Storage: Yes
Tray Ceilings: Yes
Walk-in Closet(s): Yes
Wet Bar: Yes

Property Condition

New Construction: Yes

Specialty Rooms

Laundry Room: Yes
Media Room: Yes
Theater Room: Yes
Utility Room: Yes
Workshop: Yes

Windows/Doors

Impact Rstnce Doors: Yes
Impact Rstnce Window: Yes

Vehicle Storage

Carport: Yes
Covered Parking: Yes
Guest Parking: Yes
Open Parking: Yes
RV Parking Open: Yes
Off Street Parking: Yes

Security

No Security: Yes

Construction

CBS: Yes
Concrete: Yes

Land Size

1/4 - 1/2 Acre: Yes

Furnished

Unfurnished: Yes

Terms

Cash: Yes
Conventional: Yes
No Seller Finance: Yes

Utilities

Buyer to Verify: Yes
Cable Available: Yes
Community Swr Plant: Yes
FKAA: Yes
Municipal Sewer: Yes

Porch/Balcony

Deck: Yes
Open Porch/Balcony: Yes
Patio: Yes
Roof Top Deck: Yes

Title

Title Ins - Buyer: Yes

Exterior Features

Bar: Yes
Built-in Grill: Yes
Chickee Hut: Yes
Fencing: Yes
Gazebo: Yes
Hot Tub: Yes
Lanai: Yes
Outdoor Kitchen: Yes
Privacy Wall/Fence: Yes
Sandy Beach: Yes
Sprinkler System: Yes
Storage: Yes
Water Display: Yes

Pre-Wired

Cable: Yes
Surround Sound: Yes

Roof

Concrete Roof: Yes

Accessibility Feat

Accessible Elevator Installed: Yes
Parking: Yes

GF-Interior Features

Dual Flush: Yes
LED Lighting: Yes
Tankless Hot Wtr Htr: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Oceanfront; Open Water Waterview: Ocean View; Open Water View Dockage: Basin; Boat Lift; Boat Slip; Dock Privileges Property Condition: New Construction Vehicle Storage: Carport; Covered Parking; Guest Parking; Off Street Parking; Open Parking; RV Parking Open Furnished: Unfurnished Cooling: Ceiling Fans(s); Central Air Heating: Central; Forced Air; Hot Water; Zoned Utilities: Buyer to Verify; Cable Available; Community Swr Plant; FKAA; Municipal Sewer Interior Features: Bar; Brazilian Quartzite Countertops; Built-in Cabinets; Cathedral Ceilings; Drapes/Blinds Incl; Elevator; Entrance Foyer; Pantry; Quartz Countertops; Security System; Sky Light(s); Smoke Alarms; Split Bedroom; Storage; Tray Ceilings; Walk-in Closet(s); Wet Bar Pre-Wired: Cable; Surround Sound Specialty Rooms: Laundry Room; Media Room; Theater Room; Utility Room; Workshop Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Bar; Built-in Grill; Chickee Hut; Fencing; Gazebo; Hot Tub; Lanai; Outdoor Kitchen; Privacy Wall/Fence; Sandy Beach; Sprinkler System; Storage; Water Display Accessibility Feat: Accessible Elevator Installed; Parking Pool Info: In Ground; Salt Water; Concrete Construction: CBS; Concrete Floor: Tile; Wood Roof: Concrete Roof Pets: Pets Allowed Neighborhood Feature: Bike Paths; Other Area Features Security: No Security Land Size: 1/4 - 1/2 Acre Terms: Cash; Conventional; No Seller Finance Title: Title Ins - Buyer GF-Interior Features: Dual Flush; LED Lighting; Tankless Hot Wtr Htr

Documents

SC zoning information ›

Listing Office: Ocean Sotheby's International Realty

Last Updated: April - 13 - 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.