5580 1st Avenue, Stock Island, FL 33040

$2,150,000

Property Type: Commercial Sale Square Footage: 2,040 Lot Size (sq. ft.): 25,000 Status: Closed

Current Price: $2,150,000 List Date: 12/08/2025 Last Modified: 8/28/2026

Overview

Description

Significant Income Opportunity with income already on the books, with potential to push it more. Prime 25,000 SF mixed-use property on Stock Island featuring dual access from 1st and 2nd Avenue, a 2,040 SF concrete office/utility building, and expansive paved yard space. Zoned MU, the site supports a wide array of commercial, residential, and industrial uses. Fully fenced with ample parking, this versatile parcel offers exceptional redevelopment potential just minutes from Key West. An increasingly rare large MU tract in a high-demand growth corridor.

Listing Details MLS# 617638

Location, Tax & Legal

Street #: 5580
Street Name: 1st
Street Suffix: Avenue
Key/Island: Stock Island
State/Province: FL
Zip Code: 33040
Subdivision: Maloney Sub (5.0)
County: Monroe
Area: 05 - Stock Island to Shark Key
City: Stock Island
Off Shore Island: No
Mile Marker: 5
Marathon Neighborhood: N/A
Side: N/A
Flood Zone: AE
Alternate Key #: 1159557
Parcel #: 00125390-000000
Zoning: MU - Mixed Use District
Legal: STOCK ISLAND MALONEY SUB SUBDIVISION PB1-55 E 100 FT OF W300 FT SQR 41 OR22-389 OR348-391-392 OR684-167 OR1094-1139/40
Taxes: 8626.06
Tax Year: 2024

Contract Information

Listing Board: Key West Association
Limited Representation: No
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Species List: No

General Property Description

Realtor.COM Type: Commercial
Style: Commercial
Lot SqFt: 25000
Waterfront: No
Total # Buildings: 2
Building SqFt: 2040
Living Apx SqFt: 2040
Year Built: 1964
Control Depth: 0
Total Units: 0

Status Change Info

Under Contract Date: 2026-08-20
Sold Date: 2026-08-28

Association Info

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

Financial Status

Bank Owned: No
Potential Short Sale: No

More Information

Remarks & Misc

Remarks – Consumer: Significant Income Opportunity with income already on the books, with potential to push it more. Prime 25,000 SF mixed-use property on Stock Island featuring dual access from 1st and 2nd Avenue, a 2,040 SF concrete office/utility building, and expansive paved yard space. Zoned MU, the site supports a wide array of commercial, residential, and industrial uses. Fully fenced with ample parking, this versatile parcel offers exceptional redevelopment potential just minutes from Key West. An increasingly rare large MU tract in a high-demand growth corridor.

Type

Auto Care: Yes
Boat Sales/Service: Yes
Other Comrcl Style: Yes
Professional Service: Yes
Other Services: Yes

Fee Includes

None: Yes

Dockage

None: Yes

Appliances

No Appliances: Yes

Waterfront

None: Yes

Electric

Circuit Breakers: Yes

Waterview

No Waterview: Yes

Vehicle Storage

Off Street Parking: Yes
Trailer Storage: Yes

Construction

CBS: Yes

Land Size

1/2 - Less Than 1 AC: Yes

Utilities

FKAA: Yes
Municipal Sewer: Yes

Miscellaneous

Fencing: Yes
Storage: Yes

Roof

Metal Roof: Yes

Property Features

Type: Auto Care; Boat Sales/Service; Other Comrcl Style; Professional Service; Other Services Waterfront: None Waterview: No Waterview Dockage: None Vehicle Storage: Off Street Parking; Trailer Storage Utilities: FKAA; Municipal Sewer Appliances: No Appliances Miscellaneous: Fencing; Storage Construction: CBS Electric: Circuit Breakers Roof: Metal Roof Land Size: 1/2 - Less Than 1 AC Fee Includes: None

Listing Office: Berkshire Hathaway HomeServices Knight & Gardner Realty

Last Updated: August - 28 - 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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