0 Howell Key, Summerland Key, FL 33042

New Listing

$16,900,000

Virtual Tour

https://www.zillow.com/view-3d-home/0b65dfdd-04f1-4663-a1f5-d61bcc613d51?setAttribution=mls&wl=true&utm_source=dashboard

Property Type: Residential Bedrooms: 5 Baths: 4 Square Footage: 3,352 Lot Size (sq. ft.): 422,026 Status: Active

Current Price: $16,900,000 List Date: 6/25/2026 Last Modified: 6/26/2026

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. 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

More Information MLS# 620413

Contract Information

Listing Board: Key West Association As is Rght to Inspct: Yes Species List: Yes Current Price: $16,900,000 Listing Date: 2026-06-25 List Price: $16,900,000

Location, Tax & Legal

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 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

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 7 Lot Size: X Lot SqFt: 422026 Pool: Yes Lot Sqft Source: Property Data Card Total Units: 0 Acres: 9.69 SqFt Source: Property Data Card Rentals Allowed: With Restrictions Style: Single Family Year Built: 2015 Living Apx SqFt: 3352 Total Bedrooms: 5 Full Baths: 4 Total Baths: 4

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

Association Info

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

Fee Includes

None: 1

Dockage

Basin: 1 Boat Lift: 1 Boat Ramp: 1 Boat Slip: 1 Davits: 1 Other Dockage: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Dryer: 1 Gas Appliances: 1 Microwave: 1 Oven: 1 Range: 1 Refrigerator: 1 Solar Hot Water: 1 Stainless Steel Appliance(s): 1 Washer: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Ductless: 1

Waterfront

Gulf Front: 1 Oceanfront: 1 Open Water: 1

Waterview

Bay/Gulf View: 1 Ocean View: 1 Open Water View: 1

Floor

Tile: 1

Interior Features

Bar: 1 Built-in Cabinets: 1 Cathedral Ceilings: 1 Sky Light(s): 1 Walk-in Closet(s): 1

Property Condition

Updated/Remodeled: 1

Building Style

Above Flood: Yes

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Garage: 1 Detached: 1

Construction

SIP (Structural Insulated Panels): 1

Land Size

5 Less Than 10 Acres: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1

Utilities

Cistern: 1 Propane: 1 Septic Tank: 1 Solar Power: 1 Whole House Generatr: 1

Porch/Balcony

Deck: 1 Open Porch/Balcony: 1 Patio: 1 Screened Patio: 1

Title

Negotiable: 1

Exterior Features

Chickee Hut: 1 Detached Guest Qtrs: 1 Gazebo: 1 Lanai: 1 Lighting: 1 Outdoor Kitchen: 1 Outdoor Shower: 1 Sandy Beach: 1 Shed: 1 Storage: 1 Tennis Court(s): 1

Pool Info

Salt Water: 1

Roof

Metal Roof: 1

Status Change Info

Status: Active

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 - 26 - 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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