This is the new (March, 2026) Carp Coastal Marine website. Looking for our old online shopping website? Both websites allow purchasing of our entire line of marine supplies. Click Here for the old Marine Store

Product Search

SEA-DOG LINE 520290-1 SS DRAIN TUBE FLARING TOOL
Price: $35.95
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: SeaDog Drain Tube Flaring Tool Drain Tube Flaring Tools for installing 1" drain tubes. Can be used to install all of Sea-Dog® Drain Tubes (520210-520430). Handy item for any toolbox. Drain tube not included.
ALT Part Numbers: SDG 5202901, 24-3095
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-5202901

UPC:035514521833

SEA-DOG LINE 520290-1 SS DRAIN TUBE FLARING TOOL
SEA-DOG LINE 520085-1 STAINLESS TEE HANDLE DRAIN
Price: $8.15
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Seadog 5200851 Stainless Tee Handle Drain Plug, 1" T-Handle Drain Plug provides a leak proof seal. Turn the t-handle clockwise to lock in place, counter clockwise to release. Stainless steel with a nitrile rubber plug for corrosion and vibration resistance.
ALT Part Numbers: SDG 5200851, 36-2332
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-5200851

UPC:035514520188

SEA-DOG LINE 520085-1 STAINLESS TEE HANDLE DRAIN
SEA-DOG LINE 520070 BRASS SNAP HANDLE DRAIN PLUG -
Price: $7.45
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Brass Snap Handle Drain Plug, 1" w/o Chain, Bulk Brass Snap Handle Drain Plug, 1" w/o Chain
ALT Part Numbers: SDG 520070, 08-0677
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-520070

UPC:035514520324

SEA-DOG LINE 520070 BRASS SNAP HANDLE DRAIN PLUG -
SEA-DOG LINE 520021 REPLACEMENT PLUG AND GASKET
Price: $1.85
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sea-Dog 520021 Replacement Plug And Gasket Replacement parts for 520010 & 520020 series drain plugs.
ALT Part Numbers: SDG 520021, 23-5834
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-520021

UPC:035514520287

SEA-DOG LINE 520021 REPLACEMENT PLUG AND GASKET
SEA-DOG LINE 520082-1 BRASS T-HANDLE DRAIN PLUG1-1/4
Price: $10.65
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Seadog 5200821 Brass Tee Handle Drain Plug, 1-1/4" T-Handle Drain Plug provides a leak proof seal. Turn the t-handle clockwise to lock in place, counter clockwise to release. Stamped brass with a nitrile rubber plug for corrosion and vibration resistance.
ALT Part Numbers: SDG 5200821, 38-4286
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-5200821

UPC:035514522090

SEA-DOG LINE 520082-1 BRASS T-HANDLE DRAIN PLUG1-1/4
SEA-DOG LINE 520051 REPLACEMENT DRAIN PLUG FOR
Price: $2.35
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sea-Dog 520051 Replacement Drain Plug For 520050, Bulk Molded nylon pipe plug ensures a watertight seal. Drain tube 1-1/8".
ALT Part Numbers: SDG 520051, 36-2328
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-520051

UPC:035514520584

SEA-DOG LINE 520051 REPLACEMENT DRAIN PLUG FOR
SEA-DOG LINE 520080 BRASS TEE HANDLE DRAIN PLUG -
Price: $6.95
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Seadog 520080 Brass Tee Handle Drain Plug, 1" Bulk T-Handle Drain Plug provides a leak proof seal. Turn the t-handle clockwise to lock in place, counter clockwise to release. Stamped brass with a nitrile rubber plug for corrosion and vibration resistance.
ALT Part Numbers: SDG 520080, 36-2331
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-520080

UPC:035514520355

SEA-DOG LINE 520080 BRASS TEE HANDLE DRAIN PLUG -
SEA-DOG LINE 520041 REPLACEMENT PLUG FOR 520040
Price: $8.35
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Sea-Dog 520041 Replacement Plug For 520040 Garboard Drain Plug Has a flange diameter of 2". Pipe size is 1/2". Fastener is #8 FH. Bronze.
ALT Part Numbers: SDG 520041, 36-2327
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Sea-dog Line

SKU:354-520041

UPC:035514520317

SEA-DOG LINE 520041 REPLACEMENT PLUG FOR 520040
VALTERRA V77002 ODORLOS 40OZ SELF MEASURING BO
Price: $19.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Odorlos Holding Tank Treatment When added to holding tanks, Odorlos provides the naturally occurring bacteria with a continuous supply of the best alternative energy source to pure oxygen – nitrates. This eliminates the need for bacteria to target sulfate for energy, and the result is no holding tank odors.
  • Safe and effective in all RV and marine holding tank and septic tank systems
  • One ounce per 10 gallons
  • Effective in extreme temperatures
  • Accelerates the breakdown of tissue and waste, helping to prevent clogs
  • Scent-free formulation
  • 100% biodegradable/eco-friendly, formaldehyde free and non-toxic
  • Scent free
  • Non staining
  • Accepted by all campgrounds
ALT Part Numbers: VLT V77002, 35-8754
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Valterra

SKU:800-V77002

UPC:019079177025

VALTERRA V77002 ODORLOS 40OZ SELF MEASURING BO
VALTERRA V77003 ODORLOS 68OZ SELF MEASURING BO
Price: $27.99
Retail price is shown. * Add this item to the Shopping Cart to see your reduced price.

Product Description: Odorlos Holding Tank Treatment When added to holding tanks, Odorlos provides the naturally occurring bacteria with a continuous supply of the best alternative energy source to pure oxygen – nitrates. This eliminates the need for bacteria to target sulfate for energy, and the result is no holding tank odors.
  • Safe and effective in all RV and marine holding tank and septic tank systems
  • One ounce per 10 gallons
  • Effective in extreme temperatures
  • Accelerates the breakdown of tissue and waste, helping to prevent clogs
  • Scent-free formulation
  • 100% biodegradable/eco-friendly, formaldehyde free and non-toxic
  • Scent free
  • Non staining
  • Accepted by all campgrounds
ALT Part Numbers: VLT V77003, 35-8755
Important Note for Boat, Engine and Generator Parts: The responsibility for the accuracy of your order rests with you, the customer. If you have any question as to whether or not the part you are ordering is the right one for your boat/engine/generator, please do not hesitate to call us immediately at 321-952-1303 Monday-Friday 8-5pm. This is important to save both time and money. Carp Coastal Marine will be responsible for any mistakes that we make. However, if you make the decision without consult from us, then restocking and freight charges will be added to your order.

Brand: Valterra

SKU:800-V77003

UPC:019079177032

VALTERRA V77003 ODORLOS 68OZ SELF MEASURING BO