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:

1498 products

Filter:

Availability (0)

Availability

In stock (1498 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 (9 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 (13 products)
Portable Toilets (3 products)
Strainers & Baskets (94 products)
Thru-Hull Fittings (100 products)
Tools (5 products)
Transfer Pumps (14 products)
Washdown / Pressure Pumps (102 products)

Filter and sort Filter

Filter and sort

Filter

1498 products

Availability

In stock (1498 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 (9 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 (13 products)
Portable Toilets (3 products)
Strainers & Baskets (94 products)
Thru-Hull Fittings (100 products)
Tools (5 products)
Transfer Pumps (14 products)
Washdown / Pressure Pumps (102 products)

Clear

Sort by:

Remove all

1498 products

SEEKR by Caframo Ultimate 757 12V 2-Speed 7" Fan - Direct Wire - Black [757DCBBX]

Compare at

SEEKR by Caframo Ultimate 757 12V 2-Speed 7" Fan - Direct Wire - Black [757DCBBX]

Regular price $54.00 USD

Regular price ~~$64.99 USD~~ Sale price $54.00 USD
Unit price per

Compare at
Rule IL200 In-Line Submersible Pump - 2.8gpm - 12V [IL200]

Compare at

Rule IL200 In-Line Submersible Pump - 2.8gpm - 12V [IL200]

Regular price $43.18 USD

Regular price ~~$58.99 USD~~ Sale price $43.18 USD
Unit price per

Compare at
Thetford Multiframe SFT 2-Button Control Panel [T-PF.P11M2]

Compare at

Thetford Multiframe SFT 2-Button Control Panel [T-PF.P11M2]

Regular price $239.22 USD

Regular price ~~$324.95 USD~~ Sale price $239.22 USD
Unit price per

Compare at
Shurflo by Pentair AQUA KING II Premium Fresh Water Pump - 12VDC, 4.0 GPM [4148-153-E75]

Compare at

Shurflo by Pentair AQUA KING II Premium Fresh Water Pump - 12VDC, 4.0 GPM [4148-153-E75]

Regular price $264.00 USD

Regular price ~~$445.50 USD~~ Sale price $264.00 USD
Unit price per

Compare at
Shurflo by Pentair PIRANHA Straight Port Aerator 800 Livewell Pump - 12 VDC, 800 GPH [357-112-10]

Compare at

Shurflo by Pentair PIRANHA Straight Port Aerator 800 Livewell Pump - 12 VDC, 800 GPH [357-112-10]

Regular price $58.19 USD

Regular price ~~$100.62 USD~~ Sale price $58.19 USD
Unit price per

Compare at
Sea-Dog Hand Bilge Pump 24" x 36" [503236-1]

Compare at

Sea-Dog Hand Bilge Pump 24" x 36" [503236-1]

Regular price $22.84 USD

Regular price ~~$35.95 USD~~ Sale price $22.84 USD
Unit price per

Compare at
Sea-Dog Stainless Impeller Puller - Small [660040-1]

Compare at

Sea-Dog Stainless Impeller Puller - Small [660040-1]

Regular price $67.20 USD

Regular price ~~$111.85 USD~~ Sale price $67.20 USD
Unit price per

Compare at
Raritan 4 Gallon Salt Feed Tank w/12V Pump [32-3006]

Compare at

Raritan 4 Gallon Salt Feed Tank w/12V Pump [32-3006]

Regular price $653.83 USD

Regular price ~~$975.00 USD~~ Sale price $653.83 USD
Unit price per

Compare at
GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]

Compare at

GROCO 2-1/2" Safety Seacock w/2" Side Port [SBV-2500-P]

Regular price $950.86 USD

Regular price ~~$1,664.00 USD~~ Sale price $950.86 USD
Unit price per

Compare at
GROCO 1-1/4" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1250]

Compare at

GROCO 1-1/4" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1250]

Regular price $882.29 USD

Regular price ~~$1,544.00 USD~~ Sale price $882.29 USD
Unit price per

Compare at
Johnson Pump Heavy Duty Bilge Pump 4000 GPH - 24V [40084]

Compare at

Johnson Pump Heavy Duty Bilge Pump 4000 GPH - 24V [40084]

Regular price $197.03 USD

Regular price ~~$348.90 USD~~ Sale price $197.03 USD
Unit price per

Compare at
GROCO 1/4" NPT #316 Stainless Steel In-Line Ball Valve [IBV-250-S]

Compare at

GROCO 1/4" NPT #316 Stainless Steel In-Line Ball Valve [IBV-250-S]

Regular price $34.20 USD

Regular price ~~$57.00 USD~~ Sale price $34.20 USD
Unit price per

Compare at
GROCO ARG-1250 Series 1-1/4" Raw Water Strainer w/Stainless Steel Basket [ARG-1250-S]

Compare at

GROCO ARG-1250 Series 1-1/4" Raw Water Strainer w/Stainless Steel Basket [ARG-1250-S]

Regular price $302.40 USD

Regular price ~~$504.00 USD~~ Sale price $302.40 USD
Unit price per

Compare at
GROCO ARG-2503 Sight Glass f/ARG-2500 Series [ARG-2503]

Compare at

GROCO ARG-2503 Sight Glass f/ARG-2500 Series [ARG-2503]

Regular price $129.60 USD

Regular price ~~$216.00 USD~~ Sale price $129.60 USD
Unit price per

Compare at
GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]

Compare at

GROCO Bronze Pipe Nipple - 3" NPT [PN-3000]

Regular price $78.60 USD

Regular price ~~$131.00 USD~~ Sale price $78.60 USD
Unit price per

Compare at
GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]

Compare at

GROCO 2" NPT x 2" ID Bronze Pipe to Hose Straight Fitting [PTH-2000]

Regular price $24.60 USD

Regular price ~~$41.00 USD~~ Sale price $24.60 USD
Unit price per

Compare at
GROCO 1-1/4" NPT x 1-1/4" ID Bronze Pipe to Hose Straight Fitting [PTH-1250]

Compare at

GROCO 1-1/4" NPT x 1-1/4" ID Bronze Pipe to Hose Straight Fitting [PTH-1250]

Regular price $14.40 USD

Regular price ~~$24.00 USD~~ Sale price $14.40 USD
Unit price per

Compare at
GROCO 1" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1000]

Compare at

GROCO 1" Ball Valve/Seacock Raw Water Strainer Combo [BVS-1000]

Regular price $701.71 USD

Regular price ~~$1,228.00 USD~~ Sale price $701.71 USD
Unit price per

Compare at
Frabill Cooler Saltwater Aeration System [PMC14371]

Compare at

Frabill Cooler Saltwater Aeration System [PMC14371]

Regular price $65.18 USD

Regular price ~~$89.99 USD~~ Sale price $65.18 USD
Unit price per

Compare at
Frabill Dual Fish Bait Bucket w/Aerator Built-In [PMC4825]

Compare at

Frabill Dual Fish Bait Bucket w/Aerator Built-In [PMC4825]

Regular price $27.52 USD

Regular price ~~$37.99 USD~~ Sale price $27.52 USD
Unit price per

Compare at
Frabill Aqua-Life Single Output 110V Aerator [PMC14221]

Compare at

Frabill Aqua-Life Single Output 110V Aerator [PMC14221]

Regular price $32.59 USD

Regular price ~~$44.99 USD~~ Sale price $32.59 USD
Unit price per

Compare at
Raritan 2-Gallon Salt Feed Unit Complete f/LectraSan [31-3001]

Compare at

Raritan 2-Gallon Salt Feed Unit Complete f/LectraSan [31-3001]

Regular price $139.12 USD

Regular price ~~$205.00 USD~~ Sale price $139.12 USD
Unit price per

Compare at
GROCO 93-3000-02 Stainless Steel Replacement Screen f/APHS-3000 - Size 2 (.125") Perforation Diameter [93-3000-02]

Compare at

GROCO 93-3000-02 Stainless Steel Replacement Screen f/APHS-3000 - Size 2 (.125") Perforation Diameter [93-3000-02]

Regular price $35.40 USD

Regular price ~~$59.00 USD~~ Sale price $35.40 USD
Unit price per

Compare at
GROCO 93-1250-02 Stainless Steel Replacement Screen f/APHS-1250 - Size 2 (.125") Perforation Diameter [93-1250-02]

Compare at

GROCO 93-1250-02 Stainless Steel Replacement Screen f/APHS-1250 - Size 2 (.125") Perforation Diameter [93-1250-02]

Regular price $13.80 USD

Regular price ~~$23.00 USD~~ Sale price $13.80 USD
Unit price per

Compare at
GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

Compare at

GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1-1/2" [HTH-1500-S]

Regular price $51.00 USD

Regular price ~~$85.00 USD~~ Sale price $51.00 USD
Unit price per

Compare at
GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]

Compare at

GROCO 3/4" NPT Bronze 45 Degree Pipe to 3/4" Hose [PTHD-750]

Regular price $10.80 USD

Regular price ~~$18.00 USD~~ Sale price $10.80 USD
Unit price per

Compare at
GROCO 1/2" Bronze In-Line Check Valve [CV-50]

Compare at

GROCO 1/2" Bronze In-Line Check Valve [CV-50]

Regular price $19.80 USD

Regular price ~~$33.00 USD~~ Sale price $19.80 USD
Unit price per

Compare at
Raritan Check Valve - 3/4" [90845]

Compare at

Raritan Check Valve - 3/4" [90845]

Regular price $19.60 USD

Regular price ~~$27.50 USD~~ Sale price $19.60 USD
Unit price per

Compare at
Thetford Freshwater Solenoid Kit f/Nano Toilets - 12V [T-PF.P128]

Compare at

Thetford Freshwater Solenoid Kit f/Nano Toilets - 12V [T-PF.P128]

Regular price $102.67 USD

Regular price ~~$149.95 USD~~ Sale price $102.67 USD
Unit price per

Compare at
GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]

Compare at

GROCO Bronze Hose Barb Thru-Hull Fitting - 3/4" [HTH-750]

Regular price $19.80 USD

Regular price ~~$33.00 USD~~ Sale price $19.80 USD
Unit price per

Compare at
GROCO 1" NPT Bronze In-Line Ball Valve [IBV-1000]

Compare at

GROCO 1" NPT Bronze In-Line Ball Valve [IBV-1000]

Regular price $44.40 USD

Regular price ~~$74.00 USD~~ Sale price $44.40 USD
Unit price per

Compare at
GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

Compare at

GROCO 2" NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-2000-WS]

Regular price $57.00 USD

Regular price ~~$95.00 USD~~ Sale price $57.00 USD
Unit price per

Compare at
Perko 6-1/4" x 4-1/4" Scoop Strainer Bronze MADE IN THE USA [0066DP3PLB]

Compare at

Perko 6-1/4" x 4-1/4" Scoop Strainer Bronze MADE IN THE USA [0066DP3PLB]

Regular price $47.22 USD

Regular price ~~$82.56 USD~~ Sale price $47.22 USD
Unit price per

Compare at
GROCO ARG-750 Series 3/4" Raw Water Strainer w/Monel Basket [ARG-750]

Compare at

GROCO ARG-750 Series 3/4" Raw Water Strainer w/Monel Basket [ARG-750]

Regular price $247.80 USD

Regular price ~~$413.00 USD~~ Sale price $247.80 USD
Unit price per

Compare at
GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]

Compare at

GROCO 1" Bronze Flanged Full Flow Seacock [BV-1000]

Regular price $261.60 USD

Regular price ~~$436.00 USD~~ Sale price $261.60 USD
Unit price per

Compare at
GROCO 1-1/4" Bronze Flanged Full Flow Seacock [BV-1250]

Compare at

GROCO 1-1/4" Bronze Flanged Full Flow Seacock [BV-1250]

Regular price $340.20 USD

Regular price ~~$567.00 USD~~ Sale price $340.20 USD
Unit price per

Compare at

1
…
11
12
13
14
15
…
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.