Ad #7681805
MLS #619302
Discover an exceptional D'Asign Source designer home in
431 12th St, Key Colony Beach, Florida, 33051
$3,700,000
4Beds
4Baths
4,369Sqft
0.220Acres
About this property
Discover an exceptional D'Asign Source designer home in prestigious Key Colony Beach, set on a beautifully landscaped lot with effortless access to both the bay and the open ocean. This spacious 4 bedroom 4 bath, light-filled residence offers generous living areas with soaring ceilings and oversized windows that seamlessly connect the indoors with the stunning natural surroundings. The expansive ground floor is perfectly designed for entertaining and family living, featuring a large living room, gourmet kitchen, formal dining area, and a dedicated media room and one guest bedroom and a two-car garage currently used as a versatile game room. A whole-home stereo system adds to the refined ambiance throughout. Built with enduring quality, the waterfront home features all-concrete construction and a brand-new custom metal imitation barrel tile roof. At the heart of this private oasis lies a beautiful swimming pool with an inviting tiki hut -- an ideal retreat for family gatherings and relaxed entertainingplementing this is a deep-water dock equipped with a powerful 30,000-pound hydraulic boat lift, offering effortless access to the bay and beyond. Perfectly suited for a large family or those who love to host, this magnificent Key Colony Beach estate delivers space, luxury, and unparalleled waterfront living in one of the Florida Keys' most sought-after communities.
Property Features
4 Beds
4 Baths
4,369 Sqft
Built in 1993
0.220 Acres
2 Stories
On Beachfront
Siding: CBS, Concrete
Metal Roof
Has Swimming Pool
$14,023 / yr property tax
Monroe County
Coury Sub (535) Community
Additional Photos
Contact Information
Brenner Scheel Casey
Florida Keys Real Estate Group
305-783-3395
Location
Listing Agent: Brenner Scheel Casey (License #: BK339103, BK3179545, SL3504409) 305-783-3395
Broker: Florida Keys Real Estate Group 305-664-1453 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Broker: Florida Keys Real Estate Group 305-664-1453 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
BeachHouse.com
Printed Jul 16, 2026
Photo Gallery
$3,700,000
4
Beds
4
Baths
4,369
Sqft
431 12th St, Key Colony Beach, Florida, 33051
By contacting this agent you agree to these Terms and Conditions.
MLS# 619302
Discover an exceptional D'Asign Source designer home in
$3,700,000
431 12th St, Key Colony Beach, Florida, 33051
4
Beds
4
Baths
4,369
Sqft
0.220
Acres
$3,700,000
431 12th St, Key Colony Beach, Florida, 33051
4 Beds
4 Baths
4,369 Sqft
0.220 Acres
Discover an exceptional D'Asign Source designer home in prestigious Key Colony Beach, set on a beautifully landscaped lot with effortless access to both the bay and the open ocean. This spacious 4 bedroom 4 bath, light-filled residence offers generous living areas with soaring ceilings and oversized windows that seamlessly connect the indoors with the stunning natural surroundings. The expansive ground floor is perfectly designed for entertaining and family living, featuring a large living room, gourmet kitchen, formal dining area, and a dedicated media room and one guest bedroom and a two-car garage currently used as a versatile game room. A whole-home stereo system adds to the refined ambiance throughout. Built with enduring quality, the waterfront home features all-concrete construction and a brand-new custom metal imitation barrel tile roof. At the heart of this private oasis lies a beautiful swimming pool with an inviting tiki hut -- an ideal retreat for family gatherings and relaxed entertainingplementing this is a deep-water dock equipped with a powerful 30,000-pound hydraulic boat lift, offering effortless access to the bay and beyond. Perfectly suited for a large family or those who love to host, this magnificent Key Colony Beach estate delivers space, luxury, and unparalleled waterfront living in one of the Florida Keys' most sought-after communities.
5 days
on BeachHouse.com
21
views
0
saves
Property Details
HOME DETAILS
4 Beds
4 Baths
4,369 Sqft
Built in 1993
0.220 Acres
2 Stories
BEACH & VIEW
On Beachfront
EXTERIOR
Siding: CBS, Concrete
Metal Roof
Has Swimming Pool
FINANCIAL & COMMUNITY
$14,023 / yr property tax
Monroe County
Coury Sub (535) Community
See More Details
Location
Mortgage Calculator
Ad Statistics
Ad Number
7681805
Viewed
21 times
Listing Status
Active
Added
Jul 10, 2026
Last Refresh
Jul 16, 2026 06:42:09 AM
Listing Information
Data Source
Marathon and Lower Keys Association of Realtors
Source Property ID
619302
Listing Agent: Brenner Scheel Casey (License #: BK339103, BK3179545, SL3504409) 305-783-3395
Broker: Florida Keys Real Estate Group 305-664-1453 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Broker: Florida Keys Real Estate Group 305-664-1453 Listing Site
Copyright © 2026 Marathon and Lower Keys Association of Realtors. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Request Information
Start advertising today
Explore options for real estate agents and homeowners advertising on BeachHouse.com
Sell Your Home
Explore Similar Properties
No similar properties found.