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$1,200,000
Marathon, FL 33050
MLS# 620378
1 / 5
Property Description
RARE WATERFRONT DEVELOPMENT OPPORTUNITY IN THE FLORIDA KEYS Includes 5 Parcels. No land Unique assemblage of privately owned waterfront parcels offering exceptional potential for marine-related development. The property consists of multiple contiguous submerged and waterfront parcels strategically located within a protected harbor setting with direct access to open water. Conceptual plans envision a floating marina with multiple boat slips, making this a compelling opportunity for investors, marina operators, marine service businesses, waterfront developers, or entrepreneurs seeking a one-of-a-kind marine asset. The protected location offers convenient boating access while providing natural shelter from open-water conditions. Opportunities of this size and configuration are increasingly difficult to find in the Florida Keys. Buyer to independently verify zoning, permitted uses, submerged land rights, marina feasibility, environmental requirements, permitting, dockage capacity, and all governmental approvals Offered as a waterfront development opportunity with significant future potential.
Details
Maps
Contract Information
Sub Type: Business Opp No-Real Estate
Listing Board: Key West Association
Amount of Rent: 0
Limited Representation: No
Current Price: $1,200,000
Listing Date: 2026-06-23
List Price: $1,200,000
Location, Tax & Legal
City: MARATHON
Off Shore Island: Yes
Mile Marker: 52
Marathon Neighborhood: Behind the Airport
Side: Bay/Gulf
Flood Zone: AE
Alternate Key #: 1406198
Add'l Parcel #1: 00331061-009200
Parcel #: 00331061-009300
Add'l Parcel #2: 00331061-009100
Zoning: C-NA - Conservation Native Area
Legal: BK 4 LT 30,31,32,33 & PT OF SANDY AVE SEA-AIR ESTATES VACA KEY PB6-91 (AKA BAYBTM) OR 847-768 RES NO 373-1981 & Lot 18
Taxes: 1.69
Tax Year: 2025
Street #: 1
Street Name: Gulf of America
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
Subdivision: Sea-Air Estates (52.0)
County: Monroe
Area: 15 - Sombrero Bch Rd to Vaca Cut Gulfside
General Property Description
Realtor.COM Type: Commercial
Waterfront: Yes
Lot Size: X
Lot SqFt: 100125
Business Type: Ocean development
Business Name: To be detirmined
Building SqFt: 0
Style: Business Opportunity
Remarks & Misc
Remarks – Consumer: RARE WATERFRONT DEVELOPMENT OPPORTUNITY IN THE FLORIDA KEYS
Includes 5 Parcels. No land
Unique assemblage of privately owned waterfront parcels offering exceptional potential for marine-related development. The property consists of multiple contiguous submerged and waterfront parcels strategically located within a protected harbor setting with direct access to open water.
Conceptual plans envision a floating marina with multiple boat slips, making this a compelling opportunity for investors, marina operators, marine service businesses, waterfront developers, or entrepreneurs seeking a one-of-a-kind marine asset.
The protected location offers convenient boating access while providing natural shelter from open-water conditions. Opportunities of this size and configuration are increasingly difficult to find in the Florida Keys.
Buyer to independently verify zoning, permitted uses, submerged land rights, marina feasibility, environmental requirements, permitting, dockage capacity, and all governmental approvals
Offered as a waterfront development opportunity with significant future potential.
Directions: This bay is located off Brian Road in Marathon.
24°43'55.5''N
81°02'58.9''W
Type
Mixed Use: 1
Dockage
None: 1
Waterview
Bay/Gulf View: 1
View
Gulf View - Full: 1
Building Style
Ground Level: 1
Construction
Other: 1
Miscellaneous
Open Water View: 1
Amenities
Community Boat Ramp: 1
Status Change Info
Status: Active
Property Features
Type: Mixed Use
Building Style: Ground Level
Construction: Other
Dockage: None
View: Gulf View - Full
Waterview: Bay/Gulf View
Amenities: Community Boat Ramp
Miscellaneous: Open Water View
Listing Office: Keller Williams Key West Compass Realty
Last Updated: June - 23 - 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.