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Marine Hardware - Deck Plates

Access below-deck spaces easily with premium marine deck plates designed for durability, convenience, and dependable performance in demanding boating environments. Ideal for recreational boats, fishing vessels, sailboats, kayaks, and commercial marine applications, deck plates provide quick access to plumbing, wiring, fuel lines, storage compartments, and inspection areas while helping maintain a secure, watertight seal. Built for freshwater and saltwater use, our collection features durable deck plates manufactured from corrosion-resistant materials engineered to withstand UV exposure, moisture, and harsh marine conditions. Browse screw-out deck plates, pry-out inspection ports, locking deck plates, non-skid designs, replacement covers, mounting hardware, and essential accessories available in multiple sizes to fit a variety of vessels. Designed for easy installation and long-lasting reliability, these products improve accessibility while protecting critical onboard systems. Featuring trusted marine brands recognized for quality and innovation, our Marine Hardware – Deck Plates collection delivers dependable solutions for every boating project. Shop today with confidence.

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  • Sea-Dog Screw-Out Deck Plate - White - 6" [335760-1]
    Sea-Dog

    Sea-Dog Screw-Out Deck Plate - White - 6" [335760-1]

    $17.14
    $21.94
    $17.14
    Screw-Out Deck Plate - White - 6" Sea-Dog® Screw-Out Deck Plates are molded to the highest standards using top quality UV stabilizers and antioxidants. When installing, use silicone sealant on hull or deck surface. Keep threads clean with hot, soapy water. Lubricate with Vaseline or...
    $17.14
    $21.94
    $17.14
  • Beckson 4" Clear Center Screw Out Deck Plate - Black [DP40-B-C]
    Beckson Marine

    Beckson 4" Clear Center Screw Out Deck Plate - Black [DP40-B-C]

    $32.86
    $48.46
    $32.86
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $32.86
    $48.46
    $32.86
  • Beckson 5" Stow-Away Deck Plate - White w/12" Bag [DP50BW]
    Beckson Marine

    Beckson 5" Stow-Away Deck Plate - White w/12" Bag [DP50BW]

    $68.60
    $96.92
    $68.60
    Stow-Away Deck PlatesSafely store watches, wallets, car keys, glasses, any small items.The nylon bag features a sewn-in rigid ring that fits neatly into the deck plate to secure and support extra weight in the bag. Bags are removable for access below deck and to...
    $68.60
    $96.92
    $68.60
  • Beckson 6" Smooth Center Screw-Out Deck Plate - Black [DP60-B]
    Beckson Marine

    Beckson 6" Smooth Center Screw-Out Deck Plate - Black [DP60-B]

    $38.58
    $54.46
    $38.58
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $38.58
    $54.46
    $38.58
  • Beckson 4" Smooth Center Screw-Out Deck Plate - Black [DP40-B]
    Beckson Marine

    Beckson 4" Smooth Center Screw-Out Deck Plate - Black [DP40-B]

    $27.14
    $38.59
    $27.14
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $27.14
    $38.59
    $27.14
  • Beckson 6" Non-Skid Screw-Out Deck Plate - Black [DP62-B]
    Beckson Marine

    Beckson 6" Non-Skid Screw-Out Deck Plate - Black [DP62-B]

    $38.58
    $54.46
    $38.58
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $38.58
    $54.46
    $38.58
  • Sea-Dog Pop-Out Textured Deck Plate - White - 6" [336262-1]
    Sea-Dog

    Sea-Dog Pop-Out Textured Deck Plate - White - 6" [336262-1]

    $34.29
    $46.53
    $34.29
    Pop-Out Textured Deck Plate - White - 6" The Sea-Dog® Pop-Out Deck Plate is constructed of UV stabilized molded ABS and polycarbonate for its structural strength, as well as weather and corrosion resistance. The integrated, pop-up lever makes opening and closing a snap; no...
    $34.29
    $46.53
    $34.29
  • Sea-Dog Screw-Out Deck Plate - White - 4" [335740-1]
    Sea-Dog

    Sea-Dog Screw-Out Deck Plate - White - 4" [335740-1]

    $12.85
    $17.08
    $12.85
    Screw-Out Deck Plate - White - 4" Sea-Dog® Screw-Out Deck Plates are molded to the highest standards using top quality UV stabilizers and antioxidants. When installing, use silicone sealant on hull or deck surface. Keep threads clean with hot, soapy water. Lubricate with Vaseline or...
    $12.85
    $17.08
    $12.85
  • Beckson 6" Smooth Center Screw-Out Deck Plate - Beige [DP60-N]
    Beckson Marine

    Beckson 6" Smooth Center Screw-Out Deck Plate - Beige [DP60-N]

    $38.58
    $54.46
    $38.58
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $38.58
    $54.46
    $38.58
  • Sea-Dog Screw-Out Deck Plate - Black - 6" [335765-1]
    Sea-Dog

    Sea-Dog Screw-Out Deck Plate - Black - 6" [335765-1]

    $17.14
    $21.94
    $17.14
    Screw-Out Deck Plate - Black - 6" Sea-Dog® Screw-Out Deck Plates are molded to the highest standards using top quality UV stabilizers and antioxidants. When installing, use silicone sealant on hull or deck surface. Keep threads clean with hot, soapy water. Lubricate with Vaseline or...
    $17.14
    $21.94
    $17.14
  • Beckson 6" Non-Skid Screw-Out Deck Plate - White [DP62-W]
    Beckson Marine

    Beckson 6" Non-Skid Screw-Out Deck Plate - White [DP62-W]

    $37.15
    $54.46
    $37.15
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $37.15
    $54.46
    $37.15
  • Sea-Dog Screw-Out Deck Plate - Black - 5" [335755-1]
    Sea-Dog

    Sea-Dog Screw-Out Deck Plate - Black - 5" [335755-1]

    $15.71
    $20.66
    $15.71
    Screw-Out Deck Plate - Black - 5" Sea-Dog® Screw-Out Deck Plates are molded to the highest standards using top quality UV stabilizers and antioxidants. When installing, use silicone sealant on hull or deck surface. Keep threads clean with hot, soapy water. Lubricate with Vaseline or...
    $15.71
    $20.66
    $15.71
  • Beckson 4" Smooth Center Screw-Out Deck Plate - Beige [DP40-N]
    Beckson Marine

    Beckson 4" Smooth Center Screw-Out Deck Plate - Beige [DP40-N]

    $27.14
    $38.59
    $27.14
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $27.14
    $38.59
    $27.14
  • Beckson 4" Smooth Center Screw-Out Deck Plate - White [DP40-W]
    Beckson Marine

    Beckson 4" Smooth Center Screw-Out Deck Plate - White [DP40-W]

    $27.14
    $38.59
    $27.14
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $27.14
    $38.59
    $27.14
  • Whale TCL4 9" Locker Door - Black [LD4000]
    Whale Marine

    Whale TCL4 9" Locker Door - Black [LD4000]

    $80.03
    $112.35
    $80.03
    TCL4 9" Locker Door - BlackKeep storage areas dry with this tried, tested, and trusted black Whale locker door/deck hatch.Features:Reliable watertight sealMeasurements: Diameter: 228 mm (9 in.) Aperture: 179 mm (7 in.) Materials: Body: Polycarbonate Locking Ring: Acetal  Seal: Nitrile Specifications: Color: Black Box...
    $80.03
    $112.35
    $80.03
  • Whale TCL2 9" Locker Door - Diecast Aluminum [LD2000]
    Whale Marine

    Whale TCL2 9" Locker Door - Diecast Aluminum [LD2000]

    $162.94
    $236.71
    $162.94
    TCL2 9" Locker Door - Diecast AluminumKeep storage areas dry with this tried, tested, and trusted aluminum Whale locker door/deck hatch.Features: Robust aluminum construction with a locking lever  Ideal for harsh marine environments Measurements: Diameter: 228 mm (9 in.) Aperture: 179 mm (7 in.)...
    $162.94
    $236.71
    $162.94
  • Beckson 8" Smooth Center Screw-Out Deck Plate - White [DP80-W]
    Beckson Marine

    Beckson 8" Smooth Center Screw-Out Deck Plate - White [DP80-W]

    $57.16
    $83.48
    $57.16
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $57.16
    $83.48
    $57.16
  • Beckson 4" Clear Center Screw-Out Deck Plate - Beige [DP40-N-C]
    Beckson Marine

    Beckson 4" Clear Center Screw-Out Deck Plate - Beige [DP40-N-C]

    $32.86
    $48.46
    $32.86
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $32.86
    $48.46
    $32.86
  • Beckson 4" Clear Center Screw-Out Deck Plate - White [DP40-W-C]
    Beckson Marine

    Beckson 4" Clear Center Screw-Out Deck Plate - White [DP40-W-C]

    $34.29
    $48.46
    $34.29
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $34.29
    $48.46
    $34.29
  • Beckson 8" Clear Center Screw-Out Deck Plate - Black [DP80-B-C]
    Beckson Marine

    Beckson 8" Clear Center Screw-Out Deck Plate - Black [DP80-B-C]

    $64.31
    $94.34
    $64.31
    Screw-Out Deck PlateThe Beckson Screw-Out Plate was designed to provide access without the use of tools, with a single start non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. They incorporate a self-aligning center and an innovative gasket to assure a watertight seal. A back-up...
    $64.31
    $94.34
    $64.31