Best Seasense Boat Bilge Pumps in 2026

Daisy
Last Updated: Feb 13, 2026

At a Glance: Our Top Picks for Seasense Boat Bilge Pumps

Attwood 4650-7 Tsunami T800 Aerator Pump, 800 GPH, 12-Volt, 3 ½-Inch Long Inlet, Threaded ¾-Inch Diameter Outlet, 29-Inch Wire
#TOP1
Attwood 4650-7 Tsunami T800 Aerator Pump, 800 Gph,
9.8
PM SCORE
attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt, 1.5-Amp Draw, ¾-Inch Interior Diameter Hose, 29-Inch 16-Gauge Wire, Unspecified
#TOP2
Attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt,
9.8
PM SCORE
SeaSense Hand Bilge Pump - Self-Priming, Manual Bilge Pump for Water Removal on Small Boats, Kayaks, Canoes , Bilges or Any Place Water Collects - 36" x 36" Hose
#TOP3
Seasense Hand Bilge Pump - Self-Priming, Manual Bilge
9.7
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Seasense Boat Bilge Pumps of 2026

Attwood 4650-7 Tsunami T800 Aerator Pump, 800 Gph, 12-Volt, 3 ½-Inch Long Inlet, Threaded ¾-Inch Diameter Outlet, 29-Inch Wire

ATTWOOD
4650-7
6.56 X 10.69 X 9.38 Inches
0.88 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Pump with innovative engineering and compact design provides the most reliable aeration in contained spaces such as livewell

Powerful, reliable pump is rated for 800 gallons per hour (gph) output at design voltage 13.6 volts DC, or 750 gph at nominal voltage of 12 volts DC

Features the most advanced materials, including premium-quality bearings and state-of-the-art brushes, alloys, and magnets

Patented shaft seal prevents leaks caused by misalignment, caulked and tinned wiring eliminates wicking, prevents water damage, and resists corrosion

Motor cartridge locks for secure placement, and unlocks for easy cleaning, maintenance, and replacement

Has a ¾-inch diameter, 3 ½-inch-long inlet, and a threaded ¾-inch interior diameter outlet

12-volt pump connected with 29-inch wire

Pumps fresh, oxygen-rich water to livewells and baitwells

Uses less power for long pump and battery life

Cooler-running motors, premium materials, watertight seals and waterproof wiring

Cartridges are replaceable and interchangeable between bilge and aerator pumps

Attwood 4505-7 Sahara S500 Automatic Bilge Pump, 12-Volt, 1.5-Amp Draw, ¾-Inch Interior Diameter Hose, 29-Inch 16-Gauge Wire, Unspecified

ATTWOOD
4505-7
7.37 X 7.75 X 8.12 Inches
0.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Reliably provides bilge water pumping for boats of any size

Meets automatic switch pump requirements for any vessels 20 feet and over with sleeping accommodations

Also convenient and useful for boats of any size

Compact and durable package includes pump, wire seals, strainer, and mercury-free switch in one unit

Installs quickly and easily in tight spaces, mounts horizontally only

12-volt, 1.5-amp draw pump is rated for 500 GPH performance at open flow (at voltage of 13.6 volts DC)

Comes with a 29-inch length of 16-gauge caulked and tinned copper wire, and uses a ¾-inch interior diameter hose

#TOP3

Seasense Hand Bilge Pump - Self-Priming, Manual Bilge Pump For Water Removal On Small Boats, Kayaks, Canoes , Bilges Or Any Place Water Collects - 36" X 36" Hose

SEASENSE
50002328
0.99 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.71

Features

Removes Water Quickly & Easily: Our self-priming hand pump is specifically made for evacuating small boats, canoes, kayaks and any other place water collects, helping you stay dry, safe and happy on the water; we’ve designed the pump in conjunction with the agricultural industry for large-scale water removal, ensuring the highest-quality standards

Comfortable, Convenient, Effective: The best-in-class plunger washer efficiently forces water up and through the outlet, while smart craftsmanship ensures the pump can smoothly reach small, compact areas; the one-way pump features an ergonomic grip and high-impact handle for ease of use, as well as a removable hose for easy storage

Works in Seconds, Lasts for Years: With an anti-leak, corrosion-resistant plastic construction, our bilge pump not only does its job every time you’re on the lake, river or ocean, but it comes with an industry-leading quality assurance

Save Time & Money, Have More Fun: Whether you’re a weekend boater or an experienced buyer, we keep your needs at the forefront of everything we do; every one of our products and parts is designed to work quickly and reduce costs

Quality Marine Products That Make Sense: At SeaSense, we’ve been providing innovative marine and trailer products since 1984; we’ve rigorously tested and improved our entire catalog for decades to help deliver the best on-the-water experience possible

#TOP4

Seasense Kayak Hand Pump - Manual Bilge Pump For Water Removal On Small Boats, Kayaks, Canoes, Bilges Or Any Place Water Collects - 12" X 12" Hose

SEASENSE
50002309
1.75 X 7.50 X 20.50 Inches
7.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Removes Water Quickly & Easily: Our kayak hand pump draws water up effectively, even in hard-to-reach areas and water under 1-inch deep, helping you stay dry, safe and happy throughout the day; plus, a floating collar keeps the pump afloat if dropped overboard

Designed for Kayaks & Canoes: Featuring an ergonomic grip, this one-way pump is specifically designed to remove water from kayaks and canoes; it comes with a mesh bag for convenient carry and features a removable hose for easy storage

Works in Seconds, Lasts for Years: With sturdy plastic construction, our hand water pump not only does its job every time you’re on the lake, river or ocean, but it comes with an industry-leading quality assurance

Save Time & Money, Have More Fun: Whether you’re a weekend boater or an experienced buyer, we keep your needs at the forefront of everything we do; every one of our products and parts is designed to work quickly and reduce costs

Quality Marine Products That Make Sense: At SeaSense, we’ve been providing innovative marine and trailer products since 1984; we’ve rigorously tested and improved our entire catalog for decades to help deliver the best on-the-water experience possible

#TOP5

Seasense 800 Gph Automatic Bilge Pump

SEASENSE
10425
8.00 X 6.00 X 3.00 Inches
0.95 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ignition protected

Ready to use

This product is manufactured in china

Built-In Float Switch

Impact Resistant ABS Housing

Ignition Protected

Stainless Steel Shaft & Mounting Hardware

30” Tinned Marine Grade Wire Leads

#TOP6

Seasense 600 Gph Combo W/ Float Switch

SEASENSE
50010423
9.38 X 5.88 X 3.50 Inches
0.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Made in China

Product Type :WATER PUMP

Package Dimension :24.13 cm x 16.51 cm x 7.62 cm

Package Weight :0.8 lbs

#TOP7

Seasense Bilge Pump 3 Way Switch

SEASENSE
50010320
2.24 X 6.06 X 6.50 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Package length: 15.748 cm

Package width: 15.494 cm

Package height: 8.382 cm

Product Type: FISHING EQUIPMENT

#TOP8

Seasense 800 Gph Bilge Pump

SEASENSE
10420
8.00 X 6.00 X 3.00 Inches
0.79 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HARVARD MARINE 9.64

Features

Ignition protected

Ready to use

This product is manufactured in china

Impact Resistant ABS Housing

Stainless Steel Shaft & Mounting Hardware

Impact Resistant ABS Housing

Ignition Protected

Stainless Steel Shaft & Mounting Hardware

Impact Resistant ABS Housing

#TOP9

Seasense 1500 Gph Bilge Pump

SEASENSE
50010435
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

36" Tinned Marine Grade Wire Leads

Quick Release Strainer Base For Easy Cleaning

Ignition Protected

Country of Origin:United States

#TOP10

Seasense Livewell Aerator Pump 800Gp

SEASENSE
50010403
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Submersible

Ignition Protected

12V DC Motor

3/4" Outlet

#TOP11

Seasense 1100 Gph Bilge Pump

SEASENSE
50010430
3.00 X 5.88 X 6.75 Inches
0.75 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HARVARD MARINE 9.64

Features

Impact Resistant ABS Housing

Ignition Protected

Stainless Steel Shaft and Mounting Hardware

#TOP12

Seasense Solid State Sensing Bilge Switch

SEASENSE
50010338
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

LED Lights Let You Know When the Pump/Switch are Active

All Solid State/No Moving Parts/Does Not Pulse/Smallest Bilge Switch

Completely Waterproof Unit, Multiple Mounting Positions

Save Battery Power Consumes only .05 mA in stand-by

#TOP13

Seasense Bilge Switch W/Bilge Pump

SEASENSE
50010400
1.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Autoplicity ✅ 9.69

Features

Designed to eliminate problems associated with old style float switches, this solid state sensing bilge switch converts any manual bilge pump to automatic, and works in fresh and sat water;

An innovative sensor activates automatically when water reaches the switch's installed height in the bilge; No moving parts; The switch even works through oil and stray electric current

Designed to eliminate problems associated with old style float switches, this solid state sensing bilge switch converts any manual bilge pump to automatic, and works in fresh and sat water;

An innovative sensor activates automatically when water reaches the switch's installed height in the bilge; No moving parts; The switch even works through oil and stray electric current

It conserves enery by running only when needed, while similar units use an intermittent pulse that can run down the battery

#TOP14

Seasense 1100 Gph Auto Cartrige

SEASENSE
000993
2.16 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Great Lakes Skipper 8.42

Features

SeaSense replaceable bilge cartridge pumps feature angled 360 swivel removable outlet for easy installation and a perfect hose angle to prevent kinks

Meets ABYC specification H-22. Quick release replaceable motor cartridge with impact resistant ABS housing

Ignition protected, independently lab tested certified flow rates,

31 tinned marine grade leads, stainless steel shaft and mounting hardware

Quick release strainer base for easy cleaning

Top 10 boat bilge pumps seasense Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Seasense 12
Attwood 2

Top 10 boat bilge pumps seasense Brands Pie Chart


We've carried out a comprehensive analysis of 7,211 reviews on boat bilge pumps seasense, using our selection criteria to identify the best options in the sports apparel & equipment. Our findings reveal that most customers typically select boat bilge pumps seasense priced around $39.75, with top brands including and attwood and seasense

Our team of expert editors reviewed these high-quality items and handpicked the top 14 boat bilge pumps seasense for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the sports apparel & equipment category. These include amazon.com and harvard marine and autoplicity ✅ .

We are dedicated to assisting our users in finding the right pumps Products based on their needs, saving them considerable time when choosing which boat bilge pumps seasense to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.