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Best Value Fuel Supply in Marathon, FL (2026)

Finding reliable Fuel Supply in Marathon, FL means knowing which providers boat owners actually trust. This list brings together nine well-reviewed local pros — from full-service marinas to dedicated fuel docks — ranked to help you make a confident choice. Compare quotes from these dependable Marathon-area providers to find the right fit for your boat.

By Boatwork in Marathon, FL·9 pros·629 lists by this author·June 14, 2026
9 pros
Marathon Marina and Ports logo

Marathon Marina and Ports

4.1(207)
(305) 289-8877Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageFuel SupplyBoat Dry Storage

About Marathon Marina and Ports

Located in the heart of the Florida Keys, Marathon Marina and Ports operates as the municipal marina and ports authority for the City of Marathon, providing essential boating infrastructure and services to both residents and visitors. The facility manages multiple public boat ramps throughout the Marathon area, serving as a...

My ThoughtsRated 4.1 across 207 reviews, Marathon Marina and Ports draws consistent recognition for its combination of fuel access and boat storage options in one convenient location.
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Faro Blanco Marina logo

Faro Blanco Marina

4.7(100)
(305) 434-9047Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageBoat Detailing & CleaningFull Service Boatyards

About Faro Blanco Marina

Situated in the heart of Marathon in the Florida Keys, this full-service marina destination offers boaters a complete waterfront experience that extends well beyond traditional slip rentals. Faro Blanco Marina operates as part of the Suntex family of marinas, bringing professional marina management and amenities to one of the most...

What others are saying about Faro Blanco Marina

Across the reviews, Faro Blanco Marina earns recognition for its exceptional dock master and accommodating staff who consistently go above and beyond for boaters in need. Reviewers describe the team, particularly Annie, Randy, and John, as treating c...

Reviews sourced from Google

My ThoughtsFaro Blanco Marina holds a strong 4.7 rating from 100 reviewers and covers fuel supply alongside detailing and full boatyard services — a well-rounded stop for cruising boaters.
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Banana Bay Resort & Marina logo

Banana Bay Resort & Marina

3.8(1534)
(305) 743-3500Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageFuel Supply

About Banana Bay Resort & Marina

Nestled in the heart of the Florida Keys, Banana Bay Resort & Marina offers waterfront accommodations and comprehensive marina services to boaters exploring Marathon and the surrounding island chain. This family-friendly resort combines tropical hospitality with practical marine amenities, creating a destination that serves both vacationers and boating enthusiasts seeking...

What others are saying about Banana Bay Resort & Marina

A common theme in the reviews is that guests find significant discrepancies between Banana Bay Resort's online marketing and the actual property conditions. Reviewers consistently describe the facility as more of a motel than a resort, with many ment...

Reviews sourced from Google

My ThoughtsWith 1,534 reviews and a 3.8 rating, Banana Bay Resort & Marina is one of the most-reviewed fuel and marina stops in the area, reflecting broad, real-world experience with visiting boaters.
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Pancho's Fuel Dock logo

Pancho's Fuel Dock

4.6(72)
(305) 743-2281Marathon, FLGet Directions
Marathon, FLFuel DeliveryFuel SupplyChandleries

About Pancho's Fuel Dock

Pancho's Fuel Dock stands as a cornerstone marine fuel and supply operation serving the boating community of Marathon, Florida and the surrounding Keys region. Located in one of Florida's most vibrant marine destinations, the business specializes in providing reliable fuel supply and comprehensive marine supplies to vessel owners, whether they...

What others are saying about Pancho's Fuel Dock

The reviews paint a picture of a business known for friendly service and comprehensive boating needs, with customers consistently praising their helpful staff and competitive fuel prices. What stands out most is their popular free ice promotion with...

Reviews sourced from Google

My ThoughtsRated 4.6 from 72 reviews, Pancho's Fuel Dock specializes in fuel delivery and supply and also stocks chandlery goods — a practical choice for boaters who need more than just a fill-up.
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MC

Marathon City Marina

4.4(128)
(305) 289-8877Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageFuel Supply

About Marathon City Marina

Situated in the heart of the Florida Keys, Marathon City Marina serves as a municipally-operated facility providing essential marine services to both transient boaters and long-term customers in the Marathon area. As a city-owned marina, the facility operates with a focus on accessibility and community service, offering a range of...

What others are saying about Marathon City Marina

Across the reviews, Marathon City Marina earns recognition for its well-protected mooring field with maintained mooring balls, comprehensive amenities including clean showers and laundry facilities, and courtesy bikes for trips to nearby shopping. Th...

Reviews sourced from Google

My ThoughtsMarathon City Marina carries a 4.4 rating across 128 reviews, pointing to a dependable track record for fuel supply and marina services among local and transient boaters alike.
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GK

Grassy Key Marina

4.5(81)
(305) 922-2665Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageFuel Supply

About Grassy Key Marina

Situated in the heart of the Florida Keys, Grassy Key Marina serves boaters navigating the waters between Marathon and Key West. The marina offers essential services to both transient cruisers and local vessel owners who require reliable access to fuel, dockage, and basic marine amenities in this island corridor. With...

What others are saying about Grassy Key Marina

The reviews paint a picture of a business known for its comprehensive range of marine services and consistently exceptional customer care. From simple boat ramp access and bait shop needs to long-term boat storage and commercial vessel repairs, Grass...

Reviews sourced from Google

My ThoughtsGrassy Key Marina earns a 4.5 rating from 81 reviewers, making it a consistently well-regarded fuel and storage option slightly off the main marina strip.
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Safe Harbor Marathon logo

Safe Harbor Marathon

4.7(15)
(305) 743-6575Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageBoat Mechanics & Engine RepairBottom Painting & Antifouling

About Safe Harbor Marathon

Nestled in the heart of the Florida Keys, Safe Harbor Marathon offers boat owners and cruising enthusiasts a quintessential island marina experience that balances exceptional amenities with convenient deep-water access. Located in Marathon, Florida, this full-service marina and resort provides seamless entry from both the Atlantic Ocean and the Gulf...

What others are saying about Safe Harbor Marathon

Reviewers consistently highlight Safe Harbor Marathon's exceptional staff quality and comprehensive marina amenities that keep boaters coming back. The reviews make clear that their helpful, friendly team sets them apart, while the on-site restaurant...

Reviews sourced from Google

My ThoughtsSafe Harbor Marathon holds a 4.7 rating — though from 15 reviews so far — and offers fuel supply alongside engine repair and bottom painting for boaters needing multiple services in one visit.
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Marina Marathon at Tarpon Creek logo

Marina Marathon at Tarpon Creek

5.0(62)
(786) 883-5576Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageFuel SupplyBoat Dry Storage

About Marina Marathon at Tarpon Creek

Situated in the heart of Marathon in the Florida Keys, Marina Marathon at Tarpon Creek serves as a comprehensive waterfront destination for boaters, anglers, and water sports enthusiasts seeking authentic island adventures. Operating from their facility on Tarpon Creek, this full-service marina combines traditional marina services with an extensive lineup...

What others are saying about Marina Marathon at Tarpon Creek

Reviewers consistently highlight Marina Marathon at Tarpon Creek's exceptional snorkeling and sandbar excursions, with the crew earning praise trip after trip for their patience and expertise. Customers repeatedly describe captains and crew members l...

Reviews sourced from Google

My ThoughtsMarina Marathon at Tarpon Creek carries a perfect 5.0 rating from 62 reviews, a notable combination of volume and top marks for fuel supply and dry storage services.
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MarineMax Marathon logo

MarineMax Marathon

5.0(4)
(305) 743-7008Marathon, FLGet Directions
Marathon, FLMarina & Boat StorageBoat Mechanics & Engine RepairFiberglass & Gelcoat Repair

About MarineMax Marathon

Situated in the heart of the Florida Keys, MarineMax Marathon represents one of the region's most comprehensive full-service marine facilities. Operating from their location at Mile Marker 50 in Marathon, Florida, this state-of-the-art marina serves as a vital hub for boaters navigating the waters between Miami and Key West. The...

What others are saying about MarineMax Marathon

Customers repeatedly praise MarineMax Marathon for their ability to quickly diagnose and repair engine troubles, with their Mercury authorized service center status allowing them to handle warranty repairs with in-stock parts. From emergency breakdow...

Reviews sourced from Google

My ThoughtsMarineMax Marathon shows a 5.0 rating from 4 reviews and brings 32-plus years in business, offering full boatyard capabilities alongside marina and engine repair services.
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