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  • 350 Buttonwood Bight Lane, Plantation Key, FL 33070 (MLS# 621096)

350 Buttonwood Bight Lane, Plantation Key, FL 33070

New Listing
$14,000,000
Property Type: Residential Bedrooms: 5 Baths: 4 Square Footage: 3,582 Lot Size (sq. ft.): 56,448 Status: Active
Current Price: $14,000,000 List Date: 8/25/2026 Last Modified: 8/25/2026

Overview

Description

The most sought-after bay in all the Florida Keys, and one of the largest properties on it. This true double lot spans 1.3 acres with more than 250' of bayfront facing due west for the perfect nightly sunset. A white sand beach transitions into the clear bay waters, while a protected basin offers a 20,000 lb. lift accommodating up to a 40' boat and a 3,000 lb. skiff lift. Ultra-private, with no neighbors in sight and expansive green lawns throughout. The home is sophisticated yet inviting, with an incredible attention to detail throughout and a distinctive blend of Tuscan Mediterranean architecture and classic Keys styling. Enter through the gates into a private courtyard and open-air atrium with freshwater ponds and fountains. An elevator provides access to the second floor, where a one-of-a-kind living room overlooks the bay with exposed wood beams and tongue-and-groove ceilings. Updated throughout while preserving its original ornate finishes, this level flows from the living and ...

Listing Details MLS# 621096

Location, Tax & Legal

Street #
350
Street Name
Buttonwood Bight
Street Suffix
Lane
Key/Island
Plantation Key
State/Province
FL
Zip Code
33070
County
Monroe
Subdivision
Lysiloma (89.5)
Area
25 - Plantation Key
City
Tavernier
Mile Marker
89.5
Marathon Neighborhood
N/A
Side
Bay/Gulf
Alternate Key #
1517267
Add'l Parcel #1
00419390-000300
Parcel #
00419350-000000
Zoning
IS - Improved Subivision District
Deed Restrictions
Unknown
Legal
LYSILOMA PB5-115 PLANTATION KEY LOT 4 & 5 BK 1 G47-291/93 OR143-106/09 OR599-81 OR609-868Q OR908-1239/44 OR937-411/415C
Taxes
34239.85
Tax Year
2025
Pub Sewer HkUp
Yes

Contract Information

Listing Board
Florida Keys

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
4
Pool
Yes
Year Built
1987
Lot SqFt
56448
Acres
1.3
Living Apx SqFt
3582
SqFt Source
Tax Records
Total Bedrooms
5
Full Baths
3
Half Baths
Yes
Total Baths
4
Rentals Allowed
With Restrictions

Association Info

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

Dockage

Dock
Wood
Basin
Yes
Boat Lift
Yes
Boat Ramp
Yes

More Information

Building Style

Above Flood
Unknown
Stories
2 Stories

Pool Info

Heated
Yes
In Ground
Yes
Salt Water
Yes
Concrete
Yes

Remarks & Misc

Remarks – Consumer
The most sought-after bay in all the Florida Keys, and one of the largest properties on it. This true double lot spans 1.3 acres with more than 250' of bayfront facing due west for the perfect nightly sunset. A white sand beach transitions into the clear bay waters, while a protected basin offers a 20,000 lb. lift accommodating up to a 40' boat and a 3,000 lb. skiff lift. Ultra-private, with no neighbors in sight and expansive green lawns throughout. The home is sophisticated yet inviting, with an incredible attention to detail throughout and a distinctive blend of Tuscan Mediterranean architecture and classic Keys styling. Enter through the gates into a private courtyard and open-air atrium with freshwater ponds and fountains. An elevator provides access to the second floor, where a one-of-a-kind living room overlooks the bay with exposed wood beams and tongue-and-groove ceilings. Updated throughout while preserving its original ornate finishes, this level flows from the living and dining rooms into the kitchen with a gas range and dumbwaiter. The bayfront primary suite features an impressive bath with dual vanity areas. Two additional bedrooms share a Jack-and-Jill bath, plus a half bath finishes off the second floor. Halfway down the main staircase is the entrance to one of the favorite rooms in the home: the library. With vaulted ceilings and a fireplace, it is the ultimate setting to work, relax with a good book, or serve as a fifth bedroom. The ground floor offers a separate ensuite guest bedroom, garage with front and rear doors, laundry room with double washers and dryers, and an outdoor kitchen. Outside, a massive 40' x 22' pool features a hot tub and beach-entry shelf. Extensive uplighting and downlighting illuminate the property at night. An additional front lot includes a detached structure currently used as a gym and storage. A once-in-a-lifetime opportunity to own one of Islamorada's most prized bayfront estates.
Directions
MM89 bayside turn onto Lyceloma

Fee Includes

None
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Disposal
Yes
Dryer
Yes
Freezer
Yes
Gas Appliances
Yes
Ice Machine
Yes
Microwave
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Stainless Steel Appliance(s)
Yes
Washer
Yes
Wine Cooler
Yes

Pets

Pets Allowed
Yes

Cooling

Central Air
Yes

Waterfront

Bay Front
Yes

Waterview

Bay/Gulf View
Yes

Floor

Carpet
Yes
Tile
Yes

Interior Features

Cathedral Ceilings
Yes
Elevator
Yes
Security System
Yes
Walk-in Closet(s)
Yes
Wet Bar
Yes
Window Treatments
Yes

Specialty Rooms

Gym
Yes
Laundry Room
Yes

Windows/Doors

Impact Rstnce Doors
Yes
Impact Rstnce Window
Yes

Vehicle Storage

Garage
Yes
Off Street Parking
Yes

Construction

CBS
Yes

Land Size

1 Less Than 2 Acres
Yes

Furnished

Negotiable
Yes

Utilities

FKAA
Yes
Municipal Sewer
Yes

Porch/Balcony

Screened P/B
Yes

Exterior Features

Built-in Grill
Yes
Chickee Hut
Yes
Fencing
Yes
Hot Tub
Yes
Lighting
Yes
Outdoor Kitchen
Yes
Outdoor Shower
Yes
Sandy Beach
Yes

Roof

Tile Roof
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Bay Front Waterview: Bay/Gulf View Dockage: Basin; Boat Lift; Boat Ramp Vehicle Storage: Garage; Off Street Parking Furnished: Negotiable Cooling: Central Air Utilities: FKAA; Municipal Sewer Interior Features: Cathedral Ceilings; Elevator; Security System; Walk-in Closet(s); Wet Bar; Window Treatments Specialty Rooms: Gym; Laundry Room Appliances: Dishwasher; Disposal; Dryer; Freezer; Gas Appliances; Ice Machine; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Built-in Grill; Chickee Hut; Fencing; Hot Tub; Lighting; Outdoor Kitchen; Outdoor Shower; Sandy Beach Pool Info: In Ground; Salt Water; Concrete Construction: CBS Floor: Carpet; Tile Roof: Tile Roof Pets: Pets Allowed Land Size: 1 Less Than 2 Acres
Listing Office: Palm House Real Estate
Last Updated: August - 25 - 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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