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Updated: 06 Apr 2026

10 Best Boat Bilge Pumps

#1 Best Pick
SEAFLO 2-Position Diaphragm Hand Bilge Pump, Manual Bilge Pump with Aluminum Handle, 1.36" Hose Connections, Lightweight and Durable for Boats, 4-Year Warranty

SEAFLO 2-Position Diaphragm Hand Bilge Pump, Manual Bilge Pump with Aluminum Handle, 1.36" Hose Connections, Lightweight and Durable for Boats, 4-Year Warranty

Brand: SEAFLO
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  • [ SPECIFICATIONS ]: Model: SFDHA-G720-01
  • Hose Connections: 1.36" (34.5 mm)
  • Weight: 1.25 lbs (0.57 kg)
  • Pump Body: Glass-Filled Polypropylene
  • Diaphragm: EPDM
  • Fasteners: Stainless Steel
  • Materials on Contact with Fluid: Glass-Filled Polypropylene, EPDM, Stainless Steel
  • [ LIGHTWEIGHT AND DURABLE DESIGN ] Constructed from glass-filled polypropylene, this manual bilge pump is lightweight yet tough, providing long-lasting durability for harsh marine environments.
  • [ EFFICIENT PUMPING PERFORMANCE ] Capable of pumping up to 5.3 gallons (20 liters) per minute, this diaphragm hand pump provides high flow rates for fast and effective water removal from bilges, storage areas, and boats.
  • [ EASY OPERATION WITH ALUMINUM HANDLE ] The ergonomic aluminum handle allows for comfortable, smooth pumping, ensuring minimal effort while maximizing efficiency, making it ideal for emergency water removal.
  • [ COMPACT AND SPACE-SAVING INSTALLATION ] Designed for bulkhead or deck mounting, this bilge pump fits easily into confined spaces, making it perfect for small to medium-sized boats, kayaks, and dinghies.
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#2 Best Value
12V 1100 GPH Automatic Bilge Pump for Boats, Low Profile with 360° Discharge, Check Valves

12V 1100 GPH Automatic Bilge Pump for Boats, Low Profile with 360° Discharge, Check Valves

Brand: Yesinaly
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  • 【Compact & Powerful 1100 GPH Bilge Pump】 This 12V automatic bilge pump delivers a strong 1100 GPH flow rate, efficiently removing water while fitting into tight bilge spaces thanks to its low-profile design—perfect for boats where space is limited.
  • 【Smart Auto Water Sensing】 Equipped with automatic bilge pump technology, it activates at 2.36" (60mm) water levels and shuts off at 0.4" (10mm), keeping your boat bilge nearly dry without manual intervention.
  • 【Easy Install & Maintenance】 Features a 360° rotating discharge outlet and snap-fit assembly, making this marine bilge pump simple to install, clean, and replace—ideal for hassle-free boat bilge pump setups.
  • 【Built-in Check Valve】 The bilge pump check valve prevents backflow, ensuring water doesn’t return to the bilge, maintaining a dry bilge system for marine applications.
  • 【Versatile Outlet Options】 Includes 3/4", 1", and 1-1/8" hose fittings, making this submersible bilge pump adaptable for various marine bilge pump setups—ideal for small bilge pump needs.
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#3 Budget Pick
NUZAMAS 12V Submersible Bilge Water Pump 1100GPH 29mm for Caravan Camping Marine Fishing Boat Small Swimming Pool and Fountains

NUZAMAS 12V Submersible Bilge Water Pump 1100GPH 29mm for Caravan Camping Marine Fishing Boat Small Swimming Pool and Fountains

Brand: NUZAMAS
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  • Fully submersible electric 12V bilge pump, high efficient, high capacity output 1100GPH
  • Silent and vibrationless operation, moisture tight seals, ignition protection, anti-airlock protection, No burn-out when run dry
  • Impact resistant ABS housing, stainless steel shafts, rust proof and corrosion resistant Easy-to-clean snap lock strainers
  • This Pump can be widely used in fishing boats, caravan, large aquarium, small swimming pool, fountains and other occasions.
  • Note: this pump is designed for intermittent use only, NOT designed for continuous use. The fuse MUST be 10A or above
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#4 Top Choice
12V Bilge Pumps for Boats-750 GPH 3/4"(19mm) Outlet Automatic Bilge Water Pump,Submersible Boat Accessories,Electric Marine with Float Switch Waterproof Reset (Blue, 750 GPH)

12V Bilge Pumps for Boats-750 GPH 3/4"(19mm) Outlet Automatic Bilge Water Pump,Submersible Boat Accessories,Electric Marine with Float Switch Waterproof Reset (Blue, 750 GPH)

Brand: SAILINGFLO
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  • High-Flow Performance: Keep Your Vessel Dry Effortlessly With a powerful 750 GPH flow rate, this 12V DC bilge pump swiftly removes water, ensuring your boat stays dry and safe, even in challenging conditions.
  • Built-In Float Switch: No Extra Hassle The automatic bilge pump features an integrated float switch, eliminating the need for additional components, making it compact and worry-free.
  • Easy Cleaning for Long-Lasting Use: The snap-on filter base allows quick removal for cleaning the filter and impeller, ensuring optimal performance and durability.
  • Versatile and Reliable for Multiple Applications: Perfect for bilge drainage, river water transfer, or solar-powered systems, this pump adapts to your needs with ease.
  • Silent Operation with Simple Setup: Installation is a breeze—just place it in water, power it up, and enjoy quiet, vibration-free operation.
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#5 Popular Choice
SEAFLO 06 Series Automatic Submersible Bilge Pump - 1100 GPH, 12V, 1-1/8"" Outlet, 4-Year Warranty! Built-In Float Switch, Snap-Off Strainer, Compact for Marine Boat Yacht, CE & Rohs Certified

SEAFLO 06 Series Automatic Submersible Bilge Pump - 1100 GPH, 12V, 1-1/8"" Outlet, 4-Year Warranty! Built-In Float Switch, Snap-Off Strainer, Compact for Marine Boat Yacht, CE & Rohs Certified

Brand: SEAFLO
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  • [ SPECIFICATIONS ]: Model: SFBP1-G1100-06
  • Flow Rate: 1100 GPH
  • Voltage: 12V
  • Current: 3.0A
  • Max Draw: 6.0A
  • Wire Lead: 1m (3.0’)
  • Outlet Diameter: 1-⅛”
  • [ BACKED BY A 4-YEAR WARRANTY ]: SEAFLO’s industry-leading 4-Year Warranty ensures peace of mind and reliable performance. Designed for durability, this pump withstands demanding marine conditions, providing long-term dependability for your boat or yacht.
  • [ ALL-IN-ONE PUMP AND SWITCH ]: This fully automatic pump integrates a high-efficiency motor and float switch, eliminating the need for separate components. Perfect for retrofits and new installations, it simplifies bilge water removal with reliable and efficient operation.
  • [ AUTOMATIC OPERATION FOR WORRY-FREE PERFORMANCE ]: The built-in float switch activates automatically when water levels rise and shuts off once water is removed. No need for manual operation—this smart system keeps your bilge clear without extra effort or monitoring.
  • [ HIGH-PERFORMANCE 1100 GPH FLOW RATE ]: Equipped with a 5-blade impeller, this powerful pump removes large amounts of water quickly and efficiently. Its high-speed motor ensures optimal flow, preventing water buildup and protecting your vessel from flooding risks.
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#6 Top Pick
1100 GPH Automatic Bilge Pump - 12V, 1-1/8"(29mm) Outlet, Submersible Boats Water Pump with Float Switch, Snap-Off Strainer, Easy Install for Boat, Marine, Canvas,Ponds

1100 GPH Automatic Bilge Pump - 12V, 1-1/8"(29mm) Outlet, Submersible Boats Water Pump with Float Switch, Snap-Off Strainer, Easy Install for Boat, Marine, Canvas,Ponds

Brand: SAILINGFLO
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  • 【Parameters】:Flow Rate: 1100 GPH
  • Volt: 12V DC
  • Head: 5M
  • Current: 3.8A
  • Wire: 1m
  • Marine grade blocked wiring
  • RoHS, SGS, and ISO standards
  • 【High-Flow Performance】: Keep your vessel dry effortlessly, fully submersible bilge pump swiftly removes water, ensuring your boat stays dry and safe, even in challenging conditions.
  • 【Built-In Float Switch】: No Extra Hassle The automatic bilge pump features an integrated float switch, eliminating the need for additional components, making it compact and worry-free.
  • 【Easy Installation and Cleaning】: Quick installationand snap-on filter base allows quick removal for cleaning the filter and impeller, ensuring optimal performance and durability.
  • 【Versatile and Reliable】: Perfect for bilge drainage, river water transfer, or solar-powered systems, this pump adapts to your needs with ease.
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#7 Top Pick
1100GPH Submersible Bilge Water Pump 12V Camp Fishing Boat Caravan Camping

1100GPH Submersible Bilge Water Pump 12V Camp Fishing Boat Caravan Camping

Brand: Costcom
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  • High efficient, high capacity output
  • Fully submersible electric bilge pump
  • Silent and vibrationless operation
  • Moisture tight seals
  • Ignition protection
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#8 Top Pick
Rule 02 Marine Bilge Pump, 1500 GPH, Non-Automatic, 12 Volt

Rule 02 Marine Bilge Pump, 1500 GPH, Non-Automatic, 12 Volt

Brand: Rule
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  • Included Components: Rule 02 Higher Capacity Bilge Pump - 1500 Gph, 5678 Lph, 12V
  • Material Type: Canvas
  • Sport Type: Boating
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#9 Top Pick
Automatic Bilge Pump for Boats - 1100GPH, 12V, 1-1/8" Outlet, Marine Submersible Water Pump with Snap-Off Strainer & Float Switch, Compact for Yacht, Boat Bilge Pump 12V Automatic

Automatic Bilge Pump for Boats - 1100GPH, 12V, 1-1/8" Outlet, Marine Submersible Water Pump with Snap-Off Strainer & Float Switch, Compact for Yacht, Boat Bilge Pump 12V Automatic

Brand: Yesinaly
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  • 【All-in-One Automatic Bilge Pump】This compact 12V bilge pump combines a high-performance pump and float switch in one unit, eliminating the need for separate components. Perfect for boats, it simplifies bilge water management in both retrofitting and new installations—ideal for marine bilge pump applications.
  • 【Auto On/Off for Hassle-Free Operation】Featuring a built-in float switch, this automatic bilge pump activates when water levels rise and shuts off when dry, ensuring worry-free bilge pump operation. Great for boat bilge pump 12V automatic systems!
  • 【High-Efficiency 1100 GPH Flow Rate】Bilge pumps for boats, delivering rapid water removal to keep your vessel dry in harsh marine conditions. A top choice for 12 volt bilge pump needs.
  • 【Snap-Off Strainer for Easy Maintenance】The removable strainer allows quick cleaning to maintain peak performance, making this small bilge pump low-maintenance yet durable for auto bilge pumps for boats 12v.
  • 【Compact & Corrosion-Resistant Design】Engineered for tight spaces, this lightweight boat bilge pump resists corrosion and lasts longer in saltwater environments. A reliable portable bilge pump.
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#10 Top Pick
Automatic Bilge Pump for Boats - 750GPH, 12V, 3/4" Outlet, Marine Submersible Water Pump with Snap-Off Strainer & Float Switch, Compact for Yacht, Boat Bilge Pump 12V Automatic

Automatic Bilge Pump for Boats - 750GPH, 12V, 3/4" Outlet, Marine Submersible Water Pump with Snap-Off Strainer & Float Switch, Compact for Yacht, Boat Bilge Pump 12V Automatic

Brand: Yesinaly
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  • 【All-in-One Automatic Bilge Pump】This compact 12V bilge pump combines a high-performance pump and float switch in one unit, eliminating the need for separate components. Perfect for boats, it simplifies bilge water management in both retrofitting and new installations—ideal for marine bilge pump applications.
  • 【Auto On/Off for Hassle-Free Operation】Featuring a built-in float switch, this automatic bilge pump activates when water levels rise and shuts off when dry, ensuring worry-free bilge pump operation. Great for boat bilge pump 12V automatic systems!
  • 【High-Efficiency 750 GPH Flow Rate】Bilge pumps for boats, delivering rapid water removal to keep your vessel dry in harsh marine conditions. A top choice for 12 volt bilge pump needs.
  • 【Snap-Off Strainer for Easy Maintenance】The removable strainer allows quick cleaning to maintain peak performance, making this small bilge pump low-maintenance yet durable for auto bilge pumps for boats 12v.
  • 【Compact & Corrosion-Resistant Design】Engineered for tight spaces, this lightweight boat bilge pump resists corrosion and lasts longer in saltwater environments. A reliable portable bilge pump.
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