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33437932
33437927

59073 Overseas Hwy, Marathon, FL 33050

BD
Crexi Contact
Commercial Real Estate Exchange Inc
Cushman & Wakefield - Stuart
Listed by Cushman & Wakefield - Stuart, Commercial Real Estate Exchange Inc
Starting bid: $2,000,000
Bidding Starts:
August 17th, 2026 4:00 pm

Grassy Key Marina

Details
APN 00375960-000000
Property Type Mixed Use, Special Purpose
Sub Type Marina
Square Footage 22,000
Occupancy 45%
Tenancy Multi
Lease Type Gross
Broker Co-Op Yes
Year Built 1970
Year Renovated 2023 Roof
Buildings 5
Stories 1
Acreage 2.700
Zoning Mixed Use (MU)

A Premier Waterfront Asset

Marketing description

For registration requirements and regulations, please review here or contact Bianca Diorio | 954-302-3810 | [email protected].

Grassy Key Marina at 59073 Overseas Hwy, Marathon, FL 33050 presents a rare opportunity to acquire a full-service marina and mixed-use waterfront asset in the heart of the Florida Keys. Situated on 2.7 acres with approximately 22,000 SF of improvements, the property offers exceptional visibility along US-1 and a compelling value-add or redevelopment opportunity. This unique offering includes 110 indoor and outdoor dry rack storage spaces, 33 wet slips, 78 trailer storage spaces, a convenience store with rental income, maintenance and storage areas, office space, and four studio apartments generating approximately $5,950 per month. A tiki hut overlooking the Gulf of Mexico, charter fishing and boat rental tenants, and proximity to affluent Duck Key further enhance the marina’s appeal. As the only full-service marina on Grassy Key, the property benefits from limited competition and substantial upside through improved occupancy, expanded marine services, and rental rate growth. Recent capital improvements, including a new roof and storage upgrades, position this award-winning marina for its next phase of growth!

  • Non-Contingent
  • Earnest Money Deposit: Greater of $20,000 or 10% of the Purchase Price
  • Marketing Fee: 3% of the Winning Bid Amount, $20,000 minimum
  • $10,000 Participation Deposit

59073 Overseas Hwy, Marathon, FL 33050

Investment highlights

  • Marina services include 110 Indoor & Outdoor Dry Rack Storage spaces, 33 Wet Slips and 78 Trailer Storage spaces.
  • Tiki Hut sits on the Point overlooking the Gulf of Mexico
  • Rental income from Convenience store.
  • First stop as vehicles come into the north end of Marathon on Overseas Hwy (US1)
  • Grassy Key Marina received the 2022, 2023 and 2024 Boater’s Choice award and recently recieved the 2023 and 2024 Marinas.com Elite Fleet Boaters Choice Award!
  • Chartered Fishing and Boat Rental Tenants
  • Affluent Duck Key very close by.
  • Great visibility from US-1 (Overseas Hwy) on the way through Grassy Key.
  • No competition around. Cost and barriers to entry minimal.
  • So much potential and upside for new owners to realize.
  • 4 studio apartments, adding income to the property - $5,500/month

Contacts

BD
Crexi Contact
Commercial Real Estate Exchange Inc
Cushman & Wakefield - Stuart
Listed by Cushman & Wakefield - Stuart, Commercial Real Estate Exchange Inc

Map

Zoning

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MU MixedMixed UseMixed Use
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Last updated May 25, 2026 For deeper zoning details, reports are available at Zoneomics

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Additional Information

Name
Stuart Duffin, SIOR, CCIM
License
BK3071098
Brokerage
Cushman & Wakefield
*All information is deemed reliable but not guaranteed. Buyer to verify all information.
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