771 12th Street, Key Colony, FL 33051

$4,400,000
Property Type: Residential Bedrooms: 4 Baths: 5 Square Footage: 3,878 Lot Size (sq. ft.): 14,400 Status: Active
Current Price: $4,400,000 List Date: 12/25/2025 Last Modified: 2/04/2026

Description

Experience the essence of refined coastal living in this stunning waterfront residence. 120 foot of rare deep water, private, seawalled dockage. 350 ft to open water access Gulf OR Ocean warm turquoise waters! This is an area said to be some of the best fishing grounds worldwide. Located in one the area's most sought-after luxurious neighborhoods . This home sits on an extra large lot. Land areas include 1 lot plus additional 1/2 lot. Room for additional building on the land. Designed for both elegance and ease, this home blends contemporary sophistication with a relaxed tropical ambiance-ideal for entertaining, hosting, or unwinding by the water. The home features two distinct living areas, offering flexibility and space for both lively gatherings and quiet retreats. There are 4 spacious bedrooms, each with its own ensuite bath, providing privacy and comfort, while large windows invite in natural light and serene views of the surrounding palms and canal. Off the pool, a separate 1 bedroom, 1 bath guest suite offers the perfect retreat for family or visitors, with its own private entrance. The AC'd garage, elevated above flood level, provides a versatile space for storage, vehicles & game room. As a flex space with square footage accounted for in the overall total, it can easily be transformed into additional guest quarters, or creative workspace to suit your lifestyle needs. Use the 3-story elevator to ascend to the expansive rooftop terrace, where endless sky and water views set the stage for unforgettable sunsets or evening gatherings. Outdoors, lush tropical landscaping surrounds the home, offering both privacy and natural beauty. A private 120'' dock provides room for all your toys and direct canal access for boating, kayaking, and fishing—inviting you to fully embrace the waterfront lifestyle. Additional features include a full house generator, under house storage separate from the garage, and a large underground cistern. Owner is also the agent.

More Information MLS# 617826

Contract Information

Current Price: $4,400,000 Listing Date: 2025-12-24 Listing Board: Marathon/Lower Keys List Price: $4,400,000

Location Tax Legal

Street #: 771 Street Name: 12th Street Suffix: Street Key/Island: Key Colony State/Province: FL Zip Code: 33051 County: Monroe Subdivision: Coury Sub (53.5) Area: 17 - Vaca Cut - Both Sides Holiday Inn/Key Colony

General Property Description

Realtor.COM Type: Residential - Single Family Style: Single Family Waterfront: Yes Control Depth: 5 Pool: Yes Year Built: 1986 Lot SqFt: 14400 Acres: 0.33 Living Apx SqFt: 3878 SqFt Source: Tax Records Total Bedrooms: 4 Full Baths: 4 Half Baths: 1 Total Baths: 5 Rentals Allowed: With Restrictions Min Rental Days: 7

Status Change Info

Status: Active

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No

Dockage

Dock Length: 120 Dock: Wood Seawall: Concrete

Building Style

Above Flood: Yes Stories: 2 Stories

Pool Info

Heated: Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Dockage: Boat Lift Vehicle Storage: Garage; Off Street Parking Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Buyer to Verify; Cable Available; FKAA; Municipal Sewer Interior Features: Elevator; Entrance Foyer; Granite Counter Top; Smoke Alarms; Storage; Window Treatments Pre-Wired: Cable Specialty Rooms: Other Appliances: Dishwasher; Disposal; Dryer; Freezer; Ice Machine; Microwave; Oven; Range; Refrigerator; Washer Exterior Features: Built-in Grill; Chickee Hut; Fencing; Hot Tub Pool Info: In Ground Construction: CBS Shutters: Accordion Floor: Tile Roof: Concrete Roof Neighborhood Feature: Bike Paths; Tennis Courts; Other Area Features Security: Patrolled Area Land Size: 1/4 - 1/2 Acre
Listing Office: Gail's Island Realty, Inc.
Last Updated: February - 04 - 2026
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