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Marine Hardware & Accessories

Marine Hardware & Accessories

Upgrade, repair, and maintain your vessel with our wide selection of marine hardware & boat accessories. This category includes essential boat parts designed for deck, hull, electrical, plumbing, and onboard systems, helping you keep your boat safe, functional, and ready for the water.

Browse durable marine-grade hardware built to withstand saltwater, sun exposure, and harsh marine environments. Whether you're replacing worn components, upgrading equipment, or outfitting a new boat, you'll find reliable parts such as cleats, hinges, latches, fasteners, hatches, rail fittings, bilge components, plumbing fittings, and electrical hardware.

Our marine hardware selection supports a wide range of vessels including fishing boats, sailboats, pontoons, center consoles, and cruising boats. Each component is designed for strength, corrosion resistance, and long-term performance in marine conditions.

Shop quality boat hardware and marine accessories to keep your deck secure, systems running smoothly, and your boat ready for every trip on the water.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Sea-Dog Stainless Steel Round Louvered Vent - 5" [331425-1]

    Sea-Dog Stainless Steel Round Louvered Vent - 5" [331425-1]

    Sea-Dog

    MSRP: $12.75
    $9.99
    Stainless Steel Round Louvered Vent - 5" Round Louvered Vents allow air in while keeping water out. Installs with four #6 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 5” 2.02 in2...
    GM-77416
    SKU:
    GM-77416
    Weight:
    0.20 Ounces
    MPN:
    331425-1
    MSRP: $12.75
    $9.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $12.75
    $9.99
    Subtotal:
  • Sea-Dog Stainless Steel Round Louvered Vent - 4" [331424-1]

    Sea-Dog Stainless Steel Round Louvered Vent - 4" [331424-1]

    Sea-Dog

    MSRP: $8.95
    $6.99
    Stainless Steel Round Louvered Vent - 4" Round Louvered Vents allow air in while keeping water out. Installs with four #6 FH fasteners (not included). Corrosion resistant stamped 304 stainless steel construction. Vent area 4” 0.88 in2...
    GM-77415
    SKU:
    GM-77415
    Weight:
    0.15 Ounces
    MPN:
    331424-1
    MSRP: $8.95
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8.95
    $6.99
    Subtotal:
  • Sea-Dog Stainless Steel Louvered Vent - 5" x 9" [331410-1]

    Sea-Dog Stainless Steel Louvered Vent - 5" x 9" [331410-1]

    Sea-Dog

    MSRP: $23.75
    $18.99
    Stainless Steel Louvered Vent - 5" x 9" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not included)...
    GM-77414
    SKU:
    GM-77414
    Weight:
    0.45 Ounces
    MPN:
    331410-1
    MSRP: $23.75
    $18.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.75
    $18.99
    Subtotal:
  • Sea-Dog Stainless Steel Louvered Vent - Oval - 9-1\/8" x 4-5\/8" [331405-1]

    Sea-Dog Stainless Steel Louvered Vent - Oval - 9-1/8" x 4-5/8" [331405-1]

    Sea-Dog

    MSRP: $30.45
    $23.99
    Stainless Steel Louvered Vent - Oval - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners...
    GM-77413
    SKU:
    GM-77413
    Weight:
    0.60 Ounces
    MPN:
    331405-1
    MSRP: $30.45
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $30.45
    $23.99
    Subtotal:
  • Sea-Dog Stainless Steel Louvered Vent - 9-1\/8" x 4-5\/8" [331400-1]

    Sea-Dog Stainless Steel Louvered Vent - 9-1/8" x 4-5/8" [331400-1]

    Sea-Dog

    MSRP: $22.85
    $17.99
    Stainless Steel Louvered Vent - 9-1/8" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...
    GM-77412
    SKU:
    GM-77412
    Weight:
    0.60 Ounces
    MPN:
    331400-1
    MSRP: $22.85
    $17.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $22.85
    $17.99
    Subtotal:
  • Sea-Dog Stainless Steel Louvered Vent - 5" x 4-5\/8" [331390-1]

    Sea-Dog Stainless Steel Louvered Vent - 5" x 4-5/8" [331390-1]

    Sea-Dog

    MSRP: $13.36
    $10.99
    Stainless Steel Louvered Vent - 5" x 4-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...
    GM-77411
    SKU:
    GM-77411
    Weight:
    0.20 Ounces
    MPN:
    331390-1
    MSRP: $13.36
    $10.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.36
    $10.99
    Subtotal:
  • Sea-Dog Stainless Steel Louvered Vent - 5" x 2-5\/8" [331380-1]

    Sea-Dog Stainless Steel Louvered Vent - 5" x 2-5/8" [331380-1]

    Sea-Dog

    MSRP: $9.35
    $7.99
    Stainless Steel Louvered Vent - 5" x 2-5/8" Louvered Vents are designed to promote air circulation and prevent mold, mildew, and unpleasant odors. Ideal for cabin doors, lockers, dock boxes, etc. Easy to install with six #6 RH fasteners (not...
    GM-77410
    SKU:
    GM-77410
    Weight:
    0.15 Ounces
    MPN:
    331380-1
    MSRP: $9.35
    $7.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9.35
    $7.99
    Subtotal:
  • Sea-Dog Stainless Steel Midget Vent - Heavy Duty [331375-1]

    Sea-Dog Stainless Steel Midget Vent - Heavy Duty [331375-1]

    Sea-Dog

    MSRP: $12.40
    $9.99
    Stainless Steel Midget Vent - Heavy Duty Heavy Duty Midget Vents feature a reinforced rim, making them durable enough to stand on. Great for routing cables or wires through a hole or for covering thru-hull openings to shield water spray. Ideal for...
    GM-77409
    SKU:
    GM-77409
    Weight:
    0.15 Ounces
    MPN:
    331375-1
    MSRP: $12.40
    $9.99
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $12.40
    $9.99
    Subtotal:
  • Sea-Dog Stainless Steel Midget Vent - Medium [331370-1]

    Sea-Dog Stainless Steel Midget Vent - Medium [331370-1]

    Sea-Dog

    MSRP: $4.65
    $3.99
    Stainless Steel Midget Vent - Medium Midget Vents provide a splash-proof opening through transoms, cabin sides, etc. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, they provide...
    GM-77408
    SKU:
    GM-77408
    Weight:
    0.05 Ounces
    MPN:
    331370-1
    MSRP: $4.65
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4.65
    $3.99
    Subtotal:
  • Sea-Dog Stainless Steel Midget Vent - Small [331360-1]

    Sea-Dog Stainless Steel Midget Vent - Small [331360-1]

    Sea-Dog

    MSRP: $4.25
    $3.99
    Stainless Steel Midget Vent - Small Midget Vents provide a splash-proof opening through transoms, cabin sides, etc. Great for routing cables and wires or for covering thru-hull openings to shield water spray. Ideal for small lockers, they provide...
    GM-77407
    SKU:
    GM-77407
    Weight:
    0.01 Ounces
    MPN:
    331360-1
    MSRP: $4.25
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4.25
    $3.99
    Subtotal:
  • Sea-Dog Stainless Steel Clam Shell Vent - Large [331350-1]

    Sea-Dog Stainless Steel Clam Shell Vent - Large [331350-1]

    Sea-Dog

    MSRP: $72.55
    $52.99
    Stainless Steel Clam Shell Vent - Large Large Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...
    GM-77406
    SKU:
    GM-77406
    Weight:
    1.00 Ounces
    MPN:
    331350-1
    MSRP: $72.55
    $52.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $72.55
    $52.99
    Subtotal:
  • Sea-Dog Stainless Steel Clam Shell Vent - Mini [331335-1]

    Sea-Dog Stainless Steel Clam Shell Vent - Mini [331335-1]

    Sea-Dog

    MSRP: $41.05
    $31.99
    Stainless Steel Clam Shell Vent - Mini Mini Clam Shell Ventilators provide splash protection for vent holes, wires, cable runs, or blower-exhaust hose openings. Corrosion resistant 304 stamped stainless steel construction. Can be used for cabin...
    GM-77404
    SKU:
    GM-77404
    Weight:
    0.30 Ounces
    MPN:
    331335-1
    MSRP: $41.05
    $31.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $41.05
    $31.99
    Subtotal:
  • Sea-Dog Stainless Steel Cowl Vent [331330-1]

    Sea-Dog Stainless Steel Cowl Vent [331330-1]

    Sea-Dog

    MSRP: $61.95
    $45.99
    Stainless Steel Cowl Vent Cowl Vent provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction. Installs with four #8 FH fasteners (not...
    GM-77403
    SKU:
    GM-77403
    Weight:
    0.50 Ounces
    MPN:
    331330-1
    MSRP: $61.95
    $45.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $61.95
    $45.99
    Subtotal:
  • Sea-Dog Stainless Steel Cowl Vent w\/Base - 3" Hose [331320-1]

    Sea-Dog Stainless Steel Cowl Vent w/Base - 3" Hose [331320-1]

    Sea-Dog

    MSRP: $73.45
    $53.99
    Stainless Steel Cowl Vent with Base - 3" Hose Cowl Vent with Base provides fresh air below decks by trapping air that comes across the top deck and forcing it into your boat's cabin or interior. Stamped 304 stainless steel construction with black...
    GM-77401
    SKU:
    GM-77401
    Weight:
    0.55 Ounces
    MPN:
    331320-1
    MSRP: $73.45
    $53.99
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $73.45
    $53.99
    Subtotal:
  • Sea-Dog Galvanized Winch Cable - 3\/16" x 20 [755220-1]

    Sea-Dog Galvanized Winch Cable - 3/16" x 20 [755220-1]

    Sea-Dog

    MSRP: $27.45
    $21.99
    Galvanized Winch Cable - 3/16" x 20' Utility Snap, 155822 is rated at a 5,000 lb. breaking strength. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive...
    GM-77400
    SKU:
    GM-77400
    Weight:
    2.15 Ounces
    MPN:
    755220-1
    MSRP: $27.45
    $21.99
    Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $27.45
    $21.99
    Subtotal:
  • Sea-Dog 7 to 4 Trailer Plug Adapter [753874-1]

    Sea-Dog 7 to 4 Trailer Plug Adapter [753874-1]

    Sea-Dog

    MSRP: $18.25
    $14.99
    7 to 4 Trailer Plug AdapterSea-Dog's 7 to 4 Adapter for Trailer Plugs.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to...
    GM-77398
    SKU:
    GM-77398
    Weight:
    0.25 Ounces
    MPN:
    753874-1
    MSRP: $18.25
    $14.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.25
    $14.99
    Subtotal:
  • Sea-Dog 7 To 5 Trailer Plug Adapter [753864-1]

    Sea-Dog 7 To 5 Trailer Plug Adapter [753864-1]

    Sea-Dog

    MSRP: $17.75
    $13.99
    7 To 5 Trailer Plug Adapter Injection molded PVCWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
    GM-77397
    SKU:
    GM-77397
    Weight:
    0.30 Ounces
    MPN:
    753864-1
    MSRP: $17.75
    $13.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $17.75
    $13.99
    Subtotal:
  • Sea-Dog Zinc Plated Steel Receiver Pin w\/Clip [751062-1]

    Sea-Dog Zinc Plated Steel Receiver Pin w/Clip [751062-1]

    Sea-Dog

    MSRP: $8.25
    $6.99
    Zinc Plated Steel Receiver Pin with Clip The corrosion resistant zinc plated steel receiver pin ensures your ball mount or other hitch-mounted accessories stays securely engaged to your trailer hitch. Hitch pin clip included.WARNING: This product...
    GM-77395
    SKU:
    GM-77395
    Weight:
    0.55 Ounces
    MPN:
    751062-1
    MSRP: $8.25
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $8.25
    $6.99
    Subtotal:
  • Sea-Dog Brass Plated Coupler Lock - 2 Piece [751030-1]

    Sea-Dog Brass Plated Coupler Lock - 2 Piece [751030-1]

    Sea-Dog

    MSRP: $15.50
    $12.99
    Brass Plated Coupler Lock - 2 Piece Designed for theft deterrence, coupler locks also provide an additional level of security to prevent accidental uncoupling while in transit to better protect your trailer. Corrosion resistant brass plated zinc...
    GM-77394
    SKU:
    GM-77394
    Weight:
    0.40 Ounces
    MPN:
    751030-1
    MSRP: $15.50
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.50
    $12.99
    Subtotal:
  • Sea-Dog Galvanized Coupler Lock Pin - 5\/16" [751011-1]

    Sea-Dog Galvanized Coupler Lock Pin - 5/16" [751011-1]

    Sea-Dog

    MSRP: $4.95
    $3.99
    Galvanized Coupler Lock Pin - 5/16" Square coupler pins add an additional level of security preventing accidental uncoupling while in transit to better protect your trailer. Electrogalvanized steel construction for corrosion resistance. The snap...
    GM-77392
    SKU:
    GM-77392
    Weight:
    0.10 Ounces
    MPN:
    751011-1
    MSRP: $4.95
    $3.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4.95
    $3.99
    Subtotal:
  • Total: items /

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