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0 Howell Key, Summerland Key, FL 33042

New Listing
$16,900,000
Property Type: Residential Bedrooms: 5 Baths: 5 Square Footage: 3,352 Lot Size (sq. ft.): 39,204 Status: Active
Current Price: $16,900,000 List Date: 6/25/2026 Last Modified: 6/25/2026

Overview

Description

Discover one of the Florida Keys' most extraordinary private island retreats. Encompassing 9.69 acres of pristine tropical landscape, Howell Key offers an unparalleled opportunity to own an off-grid luxury island surrounded by breathtaking open water views from sunrise to sunset. Designed for those who value privacy, adventure, and refined coastal living, the island features miles of groomed trails, resort-style pool, sandy beach, pickleball court, chicken coop, pasture, and expansive barn. At the heart of the island sits a beautifully crafted 5-bedroom, 4-bath residence encompassing 3,352 sq. ft. Cathedral ceilings, elegant coastal interiors, and expansive gathering spaces create a warm yet sophisticated atmosphere, while walls of impact-rated glass invite natural light and panoramic water views throughout the home. The layout is designed to comfortably accommodate family and guests with an attached primary suite serving as a private sanctuary, complete with a generous walk-in closet. ...

Listing Details MLS# 620413

Location, Tax & Legal

Street Name
Howell Key
Key/Island
Summerland Key
State/Province
FL
Zip Code
33042
County
Monroe
Subdivision
Misc Summerland Key (25.0)
Area
08 - Summerland Key
City
Summerland
Off Shore Island
Yes
Mile Marker
25
Marathon Neighborhood
N/A
Side
Bay/Gulf
Flood Zone
AE,VE
Alternate Key #
1126462
Parcel #
00107630-000000
Zoning
OS - Offshore Island District
Deed Restrictions
Unknown
Legal
24 66 28 PT LOT 4 (LAND PATENT 1024381_ DRUMMOND KEY / AKA - HOWELL KEY) D3-431 G50-105 OR221-70 OR807-853 OR1082-483 OR
Taxes
27394.24
Tax Year
2025
Pub Sewer HkUp
No

Contract Information

Listing Board
Key West Association
As is Rght to Inspct
Yes
Species List
Yes

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
7
Pool
Yes
Year Built
2015
Lot SqFt
39204
Lot Sqft Source
Property Data Card
Acres
9.69
Living Apx SqFt
3352
SqFt Source
Property Data Card
Total Bedrooms
5
Full Baths
5
Total Baths
5
Rentals Allowed
With Restrictions
Total Units
0

Association Info

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

Building Style

Above Flood
Yes

More Information

Remarks & Misc

Remarks – Consumer
Discover one of the Florida Keys' most extraordinary private island retreats. Encompassing 9.69 acres of pristine tropical landscape, Howell Key offers an unparalleled opportunity to own an off-grid luxury island surrounded by breathtaking open water views from sunrise to sunset. Designed for those who value privacy, adventure, and refined coastal living, the island features miles of groomed trails, resort-style pool, sandy beach, pickleball court, chicken coop, pasture, and expansive barn. At the heart of the island sits a beautifully crafted 5-bedroom, 4-bath residence encompassing 3,352 sq. ft. Cathedral ceilings, elegant coastal interiors, and expansive gathering spaces create a warm yet sophisticated atmosphere, while walls of impact-rated glass invite natural light and panoramic water views throughout the home. The layout is designed to comfortably accommodate family and guests with an attached primary suite serving as a private sanctuary, complete with a generous walk-in closet. A separate guest wing is accessed via a breezeway and features its own living room, breakfast bar, and 2 private bedrooms creating a welcoming retreat while maintaining privacy from the main residence. Beyond the main residence, the island unfolds as a private playground. Wander along groomed walking trails, relax by your saltwater pool, launch your kayaks from your own sandy beach, enjoy pickleball with friends, or watch the sunset from your dock. Built for resilience and efficiency, the home features SIP construction, Hardie Board siding, a standing seam metal roof, impact windows and doors, whole-house reverse osmosis water filtration, and an off-grid solar power system. Elevated approximately 10 feet above base flood elevation, the property offers both sustainability and peace of mind. Island purchase comes with barge, golf cart, tractor, and a private mainland lot for car storage. Howell Key is a private island lifestyle few will every have the opportunity to experienc

Fee Includes

None
Yes

Dockage

Basin
Yes
Boat Lift
Yes
Boat Ramp
Yes
Boat Slip
Yes
Davits
Yes
Other Dockage
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Dryer
Yes
Gas Appliances
Yes
Microwave
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Solar Hot Water
Yes
Stainless Steel Appliance(s)
Yes
Washer
Yes

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Ductless
Yes

Waterfront

Gulf Front
Yes
Oceanfront
Yes
Open Water
Yes

Waterview

Bay/Gulf View
Yes
Ocean View
Yes
Open Water View
Yes

Floor

Tile
Yes

Interior Features

Bar
Yes
Built-in Cabinets
Yes
Cathedral Ceilings
Yes
Sky Light(s)
Yes
Walk-in Closet(s)
Yes

Property Condition

Updated/Remodeled
Yes

Windows/Doors

Impact Rstnce Doors
Yes
Impact Rstnce Window
Yes

Vehicle Storage

Garage
Yes
Detached
Yes

Construction

SIP (Structural Insulated Panels)
Yes

Land Size

5 Less Than 10 Acres
Yes

Furnished

Negotiable
Yes

Terms

Cash
Yes
Conventional
Yes

Utilities

Cistern
Yes
Propane
Yes
Septic Tank
Yes
Solar Power
Yes
Whole House Generatr
Yes

Porch/Balcony

Deck
Yes
Open Porch/Balcony
Yes
Patio
Yes
Screened Patio
Yes

Title

Negotiable
Yes

Exterior Features

Chickee Hut
Yes
Detached Guest Qtrs
Yes
Gazebo
Yes
Lanai
Yes
Lighting
Yes
Outdoor Kitchen
Yes
Outdoor Shower
Yes
Sandy Beach
Yes
Shed
Yes
Storage
Yes
Tennis Court(s)
Yes

Pool Info

Salt Water
Yes

Roof

Metal Roof
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Gulf Front; Oceanfront; Open Water Waterview: Bay/Gulf View; Ocean View; Open Water View Dockage: Basin; Boat Lift; Boat Ramp; Boat Slip; Davits; Other Dockage Property Condition: Updated/Remodeled Vehicle Storage: Garage; Detached Furnished: Negotiable Cooling: Ceiling Fans(s); Ductless Utilities: Cistern; Propane; Septic Tank; Solar Power; Whole House Generatr Interior Features: Bar; Built-in Cabinets; Cathedral Ceilings; Sky Light(s); Walk-in Closet(s) Appliances: Dishwasher; Dryer; Gas Appliances; Microwave; Oven; Range; Refrigerator; Solar Hot Water; Stainless Steel Appliance(s); Washer Exterior Features: Chickee Hut; Detached Guest Qtrs; Gazebo; Lanai; Lighting; Outdoor Kitchen; Outdoor Shower; Sandy Beach; Shed; Storage; Tennis Court(s) Pool Info: Salt Water Construction: SIP (Structural Insulated Panels) Floor: Tile Roof: Metal Roof Pets: Pets Allowed Land Size: 5 Less Than 10 Acres Terms: Cash; Conventional Title: Negotiable
Listing Office: Coldwell Banker Schmitt Real Estate Co
Last Updated: June - 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.