Skip to content

Cheaper than West Marine™, guaranteed!

Shop
Search
Contact
About us
Insights
All Products

Shop
Search
Contact
About us
Insights
All Products

Search

Item added to your cart

View cart

Collection: Marine Plumbing & Ventilation

Sort by:

1495 products

Filter:

Availability (0)

Availability

In stock (1495 products)
Out of stock (0 products)

Price

The highest price is $3,135.00

$

From

To

Brand (0)

Brand

Product type (0)

Product type

Accessories (304 products)
Air Conditioning (1 product)
Ballast Pumps (8 products)
Bilge Pumps (227 products)
Blowers & Heaters (22 products)
Coolers (1 product)
Engine Cooling Pumps (3 products)
Fans (23 products)
Fittings (248 products)
Hose (77 products)
Hot Water Heaters (28 products)
Impellers (36 products)
Livewell Pumps (56 products)
Marine Sanitation (132 products)
Monitoring System (12 products)
Portable Toilets (3 products)
Strainers & Baskets (94 products)
Thru-Hull Fittings (99 products)
Tools (5 products)
Transfer Pumps (14 products)
Washdown / Pressure Pumps (102 products)

Filter and sort Filter

Filter and sort

Filter

1495 products

Availability

In stock (1495 products)
Out of stock (0 products)

Clear

Price

The highest price is $3,135.00

$

From

$

To

Clear

Brand

Clear

Product type

Accessories (304 products)
Air Conditioning (1 products)
Ballast Pumps (8 products)
Bilge Pumps (227 products)
Blowers & Heaters (22 products)
Coolers (1 products)
Engine Cooling Pumps (3 products)
Fans (23 products)
Fittings (248 products)
Hose (77 products)
Hot Water Heaters (28 products)
Impellers (36 products)
Livewell Pumps (56 products)
Marine Sanitation (132 products)
Monitoring System (12 products)
Portable Toilets (3 products)
Strainers & Baskets (94 products)
Thru-Hull Fittings (99 products)
Tools (5 products)
Transfer Pumps (14 products)
Washdown / Pressure Pumps (102 products)

Clear

Sort by:

Remove all

1495 products

Commodore 2000 GPH Non-Automatic Bilge Pump - 12V [CM-A31-2000B]

Commodore 2000 GPH Non-Automatic Bilge Pump - 12V [CM-A31-2000B]

Regular price $129.99 USD

Regular price ~~$0.00 USD~~ Sale price $129.99 USD
Unit price per
Commodore 1100 GPH Non-Automatic Bilge Pump - 12V [CM-A31-1100B]

Commodore 1100 GPH Non-Automatic Bilge Pump - 12V [CM-A31-1100B]

Regular price $59.99 USD

Regular price ~~$0.00 USD~~ Sale price $59.99 USD
Unit price per
Raritan Complete Purasan EX Treatment System - 12V [PST12EX2]

Compare at

Raritan Complete Purasan EX Treatment System - 12V [PST12EX2]

Regular price $2,571.34 USD

Regular price ~~$4,060.00 USD~~ Sale price $2,571.34 USD
Unit price per

Compare at
Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]

Compare at

Jabsco Port Kit 90-Degree Elbow 1/2" Hose Fitting - Pair [30651-1000]

Regular price $8.14 USD

Regular price ~~$11.99 USD~~ Sale price $8.14 USD
Unit price per

Compare at
Jabsco Service Kit f/50880 Series Pumps [SK880]

Compare at

Jabsco Service Kit f/50880 Series Pumps [SK880]

Regular price $45.92 USD

Regular price ~~$61.99 USD~~ Sale price $45.92 USD
Unit price per

Compare at
Jabsco Ballast SuperKing Pump w/Deutsch Connector - 20 GPM [33610-0107]

Compare at

Jabsco Ballast SuperKing Pump w/Deutsch Connector - 20 GPM [33610-0107]

Regular price $425.17 USD

Regular price ~~$573.99 USD~~ Sale price $425.17 USD
Unit price per

Compare at
Rule 1100 GPH Livewell Pump Replacement Motor Cartridge [67DR]

Compare at

Rule 1100 GPH Livewell Pump Replacement Motor Cartridge [67DR]

Regular price $47.99 USD

Regular price ~~$64.99 USD~~ Sale price $47.99 USD
Unit price per

Compare at
Rule 800 GPH Livewell Pump Replacement Motor Cartridge [66DR]

Compare at

Rule 800 GPH Livewell Pump Replacement Motor Cartridge [66DR]

Regular price $44.52 USD

Regular price ~~$59.99 USD~~ Sale price $44.52 USD
Unit price per

Compare at
Rule 500 GPH Livewell Pump Replacement Motor Cartridge [65DR]

Compare at

Rule 500 GPH Livewell Pump Replacement Motor Cartridge [65DR]

Regular price $36.46 USD

Regular price ~~$49.99 USD~~ Sale price $36.46 USD
Unit price per

Compare at
Rule 1100 GPH Livewell Pump Angled Thru-Hull Inlet [605C]

Compare at

Rule 1100 GPH Livewell Pump Angled Thru-Hull Inlet [605C]

Regular price $76.91 USD

Regular price ~~$103.99 USD~~ Sale price $76.91 USD
Unit price per

Compare at
Rule 500 GPH Livewell Pump Straight Thru-Hull Inlet [601STC]

Compare at

Rule 500 GPH Livewell Pump Straight Thru-Hull Inlet [601STC]

Regular price $61.57 USD

Regular price ~~$82.99 USD~~ Sale price $61.57 USD
Unit price per

Compare at
Rule 500 GPH Livewell Pump Straight Seacock Inlet [601FC]

Compare at

Rule 500 GPH Livewell Pump Straight Seacock Inlet [601FC]

Regular price $57.07 USD

Regular price ~~$76.99 USD~~ Sale price $57.07 USD
Unit price per

Compare at
Attwood Service Kit f/S500 S800 Bilge Pumps [AK5505-7]

Compare at

Attwood Service Kit f/S500 S800 Bilge Pumps [AK5505-7]

Regular price $15.60 USD

Regular price ~~$17.34 USD~~ Sale price $15.60 USD
Unit price per

Compare at
Jabsco Service Kit f/50890 Series Pump [SK890]

Compare at

Jabsco Service Kit f/50890 Series Pump [SK890]

Regular price $45.92 USD

Regular price ~~$61.99 USD~~ Sale price $45.92 USD
Unit price per

Compare at
Jabsco HotShot HD5 Heavy Duty Washdown Pump Kit w/25' HoseCoil - 12V - 5GPM - 70PSI [P501J-119N-4A]

Compare at

Jabsco HotShot HD5 Heavy Duty Washdown Pump Kit w/25' HoseCoil - 12V - 5GPM - 70PSI [P501J-119N-4A]

Regular price $322.10 USD

Regular price ~~$434.99 USD~~ Sale price $322.10 USD
Unit price per

Compare at
Shurflo by Pentair 11 City Water Entry In-Line Filter w/1/4 Barb Fittings [RV-210BRB-A]

Compare at

Shurflo by Pentair 11 City Water Entry In-Line Filter w/1/4 Barb Fittings [RV-210BRB-A]

Regular price $45.36 USD

Regular price ~~$74.65 USD~~ Sale price $45.36 USD
Unit price per

Compare at
Shurflo by Pentair Pumphead Kit f/4258 Series High Flow System 4648 Series Pro BaitMaster II 4.0 Heavy Duty Livewell/Washdown Pumps [94-805-02]

Compare at

Shurflo by Pentair Pumphead Kit f/4258 Series High Flow System 4648 Series Pro BaitMaster II 4.0 Heavy Duty Livewell/Washdown Pumps [94-805-02]

Regular price $203.99 USD

Regular price ~~$419.75 USD~~ Sale price $203.99 USD
Unit price per

Compare at
Shurflo by Pentair Upper Assembly Replacement f/4558 Series High Flow Systems 4648 Series Pro BaitMaster II 4.0 Heavy Duty Livewell/Washdown Pumps [94-805-01]

Compare at

Shurflo by Pentair Upper Assembly Replacement f/4558 Series High Flow Systems 4648 Series Pro BaitMaster II 4.0 Heavy Duty Livewell/Washdown Pumps [94-805-01]

Regular price $53.99 USD

Regular price ~~$106.52 USD~~ Sale price $53.99 USD
Unit price per

Compare at
Shurflo by Pentair Upper Assembly Replacement f/4248/4258 Series Pro Blaster II Deluxe 4.0/5.0 Washdown Pumps [94-804-02]

Compare at

Shurflo by Pentair Upper Assembly Replacement f/4248/4258 Series Pro Blaster II Deluxe 4.0/5.0 Washdown Pumps [94-804-02]

Regular price $49.73 USD

Regular price ~~$81.86 USD~~ Sale price $49.73 USD
Unit price per

Compare at
Shurflo by Pentair Pumphead Kit f/4158 Series Aqua King II Supreme 5.0 Pumps High Flow Systems [94-801-13]

Compare at

Shurflo by Pentair Pumphead Kit f/4158 Series Aqua King II Supreme 5.0 Pumps High Flow Systems [94-801-13]

Regular price $326.64 USD

Regular price ~~$551.20 USD~~ Sale price $326.64 USD
Unit price per

Compare at
Shurflo by Pentair 10" Universal Filter Kit [94-009-50]

Compare at

Shurflo by Pentair 10" Universal Filter Kit [94-009-50]

Regular price $41.99 USD

Regular price ~~$90.04 USD~~ Sale price $41.99 USD
Unit price per

Compare at
Shurflo by Pentair Baitmaster II Livewell Pump - 24 VDC - 4.0 GPM - Rated f/Tanks up to 35 Gal - Self-Priming [4648-163-E07]

Compare at

Shurflo by Pentair Baitmaster II Livewell Pump - 24 VDC - 4.0 GPM - Rated f/Tanks up to 35 Gal - Self-Priming [4648-163-E07]

Regular price $374.12 USD

Regular price ~~$631.33 USD~~ Sale price $374.12 USD
Unit price per

Compare at
Shurflo by Pentair Pro Blaster II Ultimate 5.0 Washdown Pump - 24 VDC - 5.0 GPM - 60 PSI [4258-163-E09]

Compare at

Shurflo by Pentair Pro Blaster II Ultimate 5.0 Washdown Pump - 24 VDC - 5.0 GPM - 60 PSI [4258-163-E09]

Regular price $389.26 USD

Regular price ~~$656.86 USD~~ Sale price $389.26 USD
Unit price per

Compare at
Whale Grey Waste Tank - 8 Liter - 2.1 Gallons - 1 Sensor [GT0810B]

Compare at

Whale Grey Waste Tank - 8 Liter - 2.1 Gallons - 1 Sensor [GT0810B]

Regular price $240.47 USD

Regular price ~~$317.02 USD~~ Sale price $240.47 USD
Unit price per

Compare at
GROCO 3" Full Flow Ball Valve [FBV-3000]

Compare at

GROCO 3" Full Flow Ball Valve [FBV-3000]

Regular price $477.60 USD

Regular price ~~$796.00 USD~~ Sale price $477.60 USD
Unit price per

Compare at
Viega MegaPress 316 FKM Reducer - 2" x 1-1/2" [91285]

Compare at

Viega MegaPress 316 FKM Reducer - 2" x 1-1/2" [91285]

Regular price $261.28 USD

Regular price ~~$381.02 USD~~ Sale price $261.28 USD
Unit price per

Compare at
Viega MegaPress 316 FKM Reducer - 1-1/2" x 1-1/4" [91920]

Compare at

Viega MegaPress 316 FKM Reducer - 1-1/2" x 1-1/4" [91920]

Regular price $238.76 USD

Regular price ~~$348.19 USD~~ Sale price $238.76 USD
Unit price per

Compare at
Viega MegaPress 316 FKM Reducer - 1-1/4" x 1" [91280]

Compare at

Viega MegaPress 316 FKM Reducer - 1-1/4" x 1" [91280]

Regular price $216.24 USD

Regular price ~~$315.34 USD~~ Sale price $216.24 USD
Unit price per

Compare at
Viega MegaPress 316 FKM Reducer - 1" x 3/4" [91275]

Compare at

Viega MegaPress 316 FKM Reducer - 1" x 3/4" [91275]

Regular price $175.19 USD

Regular price ~~$255.47 USD~~ Sale price $175.19 USD
Unit price per

Compare at
Viega MegaPress 316 FKM Reducer - 3/4" x 1/2" [91270]

Compare at

Viega MegaPress 316 FKM Reducer - 3/4" x 1/2" [91270]

Regular price $143.09 USD

Regular price ~~$208.67 USD~~ Sale price $143.09 USD
Unit price per

Compare at
Viega MegaPress 316 FKM 1-1/2" Slip Coupling w/o Stop [91310]

Compare at

Viega MegaPress 316 FKM 1-1/2" Slip Coupling w/o Stop [91310]

Regular price $134.40 USD

Regular price ~~$196.00 USD~~ Sale price $134.40 USD
Unit price per

Compare at
Viega MegaPress 316 FKM 1-1/4" Slip Coupling w/o Stop [91305]

Compare at

Viega MegaPress 316 FKM 1-1/4" Slip Coupling w/o Stop [91305]

Regular price $119.32 USD

Regular price ~~$174.00 USD~~ Sale price $119.32 USD
Unit price per

Compare at
Viega MegaPress 316 FKM 1" Slip Coupling w/o Stop [91300]

Compare at

Viega MegaPress 316 FKM 1" Slip Coupling w/o Stop [91300]

Regular price $104.21 USD

Regular price ~~$151.97 USD~~ Sale price $104.21 USD
Unit price per

Compare at
Viega MegaPress 316 FKM 3/4" Slip Coupling w/o Stop [91295]

Compare at

Viega MegaPress 316 FKM 3/4" Slip Coupling w/o Stop [91295]

Regular price $82.08 USD

Regular price ~~$119.70 USD~~ Sale price $82.08 USD
Unit price per

Compare at
Viega MegaPress 316 FKM 1/2" Slip Coupling w/Stop [91290]

Compare at

Viega MegaPress 316 FKM 1/2" Slip Coupling w/Stop [91290]

Regular price $64.32 USD

Regular price ~~$93.80 USD~~ Sale price $64.32 USD
Unit price per

Compare at
Viega MegaPress 316 FKM 2" Coupling w/Stop [91125]

Compare at

Viega MegaPress 316 FKM 2" Coupling w/Stop [91125]

Regular price $141.13 USD

Regular price ~~$205.83 USD~~ Sale price $141.13 USD
Unit price per

Compare at

1
…
19
20
21
22
23
…
42

Lakes and Bays, LLC

867 Boylston St, Suite 500 #1461

Boston, Massachusetts 02116

support@lakesandbay.com

(617) 299-6902

Payment methods

© 2026, Lakes+Bay Supply Powered by Shopify

Privacy policy
Refund policy
Terms of service
Contact information
Shipping policy

Choosing a selection results in a full page refresh.
Opens in a new window.