Plan your stop
Useful details
Confirm marina slips and lodging on https://www.blackfinresort.com/ and https://visitfloridakeys.com/business-directory/blackfin-resort-marina.
On Marathon, at MM 47–60
Blackfin Resort and Marina sits in Marathon (Middle Keys, MM 47–60). The service hub of the Middle Keys, with an airport, hospital, marinas, boat ramps and plenty of dining. This listing is for dockage, marine fuel or a staging dock—not every marina offers every service.
Other marinas & boating listings currently published on Marathon include 15th Street Marina Marathon (at Boot Key Harbor), Burdines Waterfront Marina, Captain Hook's Marina & Dive Center. Compare them on the island or category hub rather than assuming this listing is the only option.
What this record includes
- Directory category
- Marinas & Boating
- Island area
- Marathon (Middle Keys, MM 47–60)
- Mapped as
- marina
- Published address
- 4650 Overseas Hwy, Marathon, FL 33050
- Published phone
- 305-743-2393
- Official website on file
- Yes — confirm details there
- Coordinates
- 24.716914, -81.082973
- Source
- Blackfin Resort official website
Confirm before you go
- Current hours, closures, fees and access rules on the linked source
- Today’s hours — none are published on this listing
- Anything the map source does not tag — a map is not a live business profile
- No ratings or “best of” rank — this page does not score or rank places
How to use this listing
Blackfin Resort and Marina is listed under marinas and boating in Marathon (Middle Keys, MM 47–60). Fuel, transient slips, storage and public launches are different products that sometimes share a name.
Call or use the operator page for length, beam, draft, power and arrival instructions. Do not treat a neighboring public ramp as marina guest parking unless that facility says so.
No extra amenity tags were published on this record. Open the source link to check current amenities, access and service details rather than assuming they exist.
Blackfin Resort and Marina is published from public map contributors. Mapped names, coordinates and tags can lag real-world changes. Empty fields stay empty: this page adds no reviews, phones, hours, prices or ratings that the map does not have. Use the linked map object and any official site to confirm before a special trip. Last reviewed on Oct 5, 2026 using Blackfin Resort official website.
Business owner or traveler? Report an update →Claim or correct this listing