Marine Deck Hatches & Access Ports
Marine Deck Hatches & Access Ports
Watertight Deck Hatches, Inspection Ports, Storage Hatches & Hatch Accessories
Shop marine deck hatches and access ports for dependable below-deck access, ventilation, storage, inspection, and service work. Find Classic, Mid Line, and Top Line hatches, ISO12216-certified hatch options, locking hatches, storage hatches, trim and screen kits, inspection ports, replacement covers, seals, gaskets, and mounting hardware for demanding marine environments.
Match hatch size by the cutout, outside dimensions, corner radius, lid style, hinge direction, gasket condition, deck thickness, and the space available above and below the deck.
Popular Hatch & Access Searches
Choose by Hatch Series, Size, Function, or Replacement Part
Use these links to narrow the collection by the hatch style or service part. Search links are used for smaller product groups so customers land directly on matching products.
Hatch Families
Classic, Mid Line, Top Line, Locking, and Storage Hatch Options
Different hatch series serve different needs. Some prioritize straightforward access, some add stronger sealing or certification, and some include locks, drawers, or storage organization. Choose based on location, expected water exposure, foot traffic, and the access required below deck.
Service Parts
Keep Hatches Sealed, Secure, and Usable
A good hatch is only useful if the seal, latch, hinge, frame, and fasteners are working. Replace cracked seals, loose handles, missing screens, broken trim, brittle hinges, or worn latches before they allow leaks or unsafe access.
Measure the Cutout
Check the cutout size, outside frame dimensions, corner radius, hinge clearance, and the space below the hatch before ordering.
Match the Use
Storage, ventilation, emergency access, tank inspection, and service openings each need the right lid style, lock, seal, and strength.
Protect the Seal
Clean gasket surfaces, inspect seals often, avoid over-tightening, and replace worn gaskets before leaks reach the cabin or bilge.
Fitment Help
Hatch Replacements Are Usually Measured, Not Guessed
Boat model alone is rarely enough for hatch replacement. Measure the existing hatch, note any markings, photograph the frame and lid, and confirm whether you need a direct replacement, a larger cover, or a hatch that can cover old fastener holes.
Related Hardware Categories
Complete the Hatch or Access Installation
Deck Hatch FAQ
Choosing Marine Deck Hatches and Access Ports
How do I choose the right replacement hatch?
Measure the existing cutout, outside frame, corner radius, hinge side, fastener pattern, lid clearance, and deck thickness. Photos and any molded or printed markings can help confirm the correct search.
What does ISO12216 mean on a deck hatch?
ISO12216 refers to an international marine standard used for windows, portlights, hatches, deadlights, and doors. If that rating matters for your application, confirm the exact product specification before ordering.
When should hatch seals or gaskets be replaced?
Replace hatch seals when they are cracked, flattened, swollen, missing, leaking, or no longer holding a consistent seal after cleaning.
Are trim and screen kits universal?
No. Trim and screen kits usually match a specific hatch series and size. Confirm the hatch model, size, and kit compatibility before ordering.
Shop Marine Deck Hatches & Access Ports
Find hatches, access ports, storage hatches, locking hatches, seals, trim kits, screens, and installation hardware for dependable marine access.
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LALIZAS Hatch Insect Screen - 26" x 26" x 17" (650 x 650 x 420 mm) Universal Fit
LALIZAS Universal Hatch Insect Screen - MediumUniversal-fit marine hatch insect screen by LALIZAS designed to keep insects out while allowing fresh...
View full detailsT-H Marine Sure-Seal Non-Locking Access Hatch β 13" x 23-1/4"
T-H Marine Sure-Sealβ’ Non-Locking Access Hatch β 13" x 23-1/4"A large-format, watertight access hatch designed for horizontal or vertical storage c...
View full detailsSea-Dog 8" Low Profile Pop-Out Deck Plate β Black
Sea-Dog 8" Low Profile Pop-Out Deck Plate β BlackA larger-format, flush-mount deck plate designed for easy access to storage compartments, bilge ar...
View full detailsSea-Dog 8" Low Profile Pop-Out Deck Plate β White
Sea-Dog 8" Low Profile Pop-Out Deck Plate β WhiteA larger-format, flush-mount deck plate designed for easy access to storage compartments, bilge ar...
View full detailsSea-Dog 6" Low Profile Pop-Out Deck Plate β Black
Sea-Dog 6" Low Profile Pop-Out Deck Plate β BlackA clean, low-profile solution for accessing storage compartments, bilge areas, and wiring runs on ...
View full detailsSea-Dog 6" Low Profile Pop-Out Deck Plate β White
Sea-Dog 6" Low Profile Pop-Out Deck Plate β WhiteA clean, low-profile solution for accessing storage compartments, bilge areas, and wiring runs on ...
View full detailsSea-Dog 3361401 Quarter-Turn Deck Plate, Smooth, 4-1/2" β White
Sea-Dog 3361401 Quarter-Turn Deck Plate, Smooth, 4-1/2" β WhiteFast, tool-free deck access with a quarter-turn locking mechanism β open or close th...
View full detailsSea-Dog 3361651 Quarter-Turn Deck Plate, Smooth, 6-1/2" β Black
Sea-Dog 3361651 Quarter-Turn Deck Plate, Smooth, 6-1/2" β BlackFast, tool-free deck access with a quarter-turn locking mechanism β open or close th...
View full detailsBomar 8" Locking Deck Plate β Stark White
Bomar 8" Locking Deck Plate β Stark WhiteThe Bomar G840W is a large-format locking deck plate designed for secure, watertight access to below-deck ...
View full detailsSea-Dog 3361551 Quarter-Turn Deck Plate, Smooth, 5-1/2" β Black
Sea-Dog 3361551 Quarter-Turn Deck Plate, Smooth, 5-1/2" β BlackFast, tool-free deck access with a quarter-turn locking mechanism β open or close th...
View full detailsBeckson 8" Pry-Out Deck Plate with Trim Ring, Dimple Center β Black
Beckson 8" Pry-Out Deck Plate with Trim Ring, Dimple Center β BlackThe Beckson 8" Pry-Out Deck Plate offers generous below-deck access in a tool-fr...
View full detailsBeckson 8" Screw-Out Deck Plate with Trim Ring, Smooth β White
Beckson 8" Screw-Out Deck Plate with Trim Ring, Smooth β WhiteWhen you need generous below-deck access with a clean, finished appearance, the Becks...
View full detailsBeckson 6" Pry-Out Deck Plate with Trim Ring, Dimple Center β White
Beckson 6" Pry-Out Deck Plate with Trim Ring, Dimple Center β WhiteA simple, tool-free access solution for low-traffic inspection points and storag...
View full detailsBeckson 6" Screw-Out Deck Plate with Trim Ring, Dimple Center β White
Beckson 6" Screw-Out Deck Plate with Trim Ring, Dimple Center β WhiteBuilt for watertight deck access with a non-slip surface, the Beckson 6" Dimpl...
View full detailsBeckson 6" Screw-Out Deck Plate with Trim Ring, Smooth β White
Beckson 6" Screw-Out Deck Plate with Trim Ring, Smooth β WhiteA clean, reliable solution for watertight deck access on sailboats, powerboats, and k...
View full detailsBeckson 6" Stow-Away Screw-Out Deck Plate with 12" Storage Bag β White
Beckson 6" Stow-Away Screw-Out Deck Plate with 12" Storage Bag β WhiteThe Beckson Stow-Away Deck Plate combines reliable watertight access with bui...
View full detailsLewmar 360867999 Low Profile Hatch Seal | Replacement Gasket
Lewmar 360867999 Replacement Seal β Low Profile Hatch SeriesA replacement seal for Lewmar Low Profile hatches β one of the most widely installed de...
View full detailsLewmar 360872999 Low Profile Hatch Seal | Replacement Gasket
Lewmar 360872999 Replacement Seal β Low Profile Hatch SeriesThe correct replacement seal for Lewmar Low Profile hatches β one of the most popular d...
View full detailsLewmar 360964999 Medium Profile Hatch Seal | Replacement Gasket
Lewmar 360964999 Replacement Seal β Medium Profile Hatch SeriesThe correct replacement seal for Lewmar Medium Profile hatches. This seal fits into ...
View full detailsLewmar 360758999 New Standard Portlight Seal | Size 0 Replacement
Lewmar 360758999 Replacement Seal β New Standard Portlight, Size 0The correct replacement seal for the Lewmar New Standard Portlight in Size 0 β th...
View full detailsLewmar 360759999 New Standard Portlight Seal | Size 1 Replacement
Lewmar 360759999 Replacement Seal β New Standard Portlight, Size 1Keep your Lewmar portlights watertight with this genuine replacement seal for the...
View full detailsTaylor Made 32-1725 "D" Sponge Hatch Gasket | 7 ft | 1990βPresent Hatches
Taylor Made 32-1725 βDβ Sponge Hatch Gasket β 7 ftA direct replacement hatch gasket for Taylor Made hatches from 1990 to present. The Taylor Made 3...
View full detailsBomar P10055 Hatch Gasket | 9/16" x 10 ft | Cast Hatch Replacement Seal
Bomar P10055 Replacement Hatch Gasket β 9/16" Γ 10 ftThe correct replacement gasket for Bomarβs cast hatch series. The Bomar P10055 features a wide...
View full detailsBomar P20002510 Hatch Gasket | 3/8" x 10 ft | Extruded Hatch Replacement Seal
Bomar P20002510 Replacement Hatch Gasket β 3/8" Γ 10 ftThe same proven 3/8" gasket profile as the standard 5 ft roll β in a 10 ft length for larger...
View full detailsBomar P2000255 Hatch Gasket | 3/8" x 5 ft | Extruded Hatch Replacement Seal
Bomar P2000255 Replacement Hatch Gasket β 3/8" Γ 5 ftStop the drips before they become a problem. This Bomar P2000255 replacement gasket is purpose...
View full detailsNicro Day/Night Solar Vent 3" β White
Nicro Day/Night Solar Vent 3" β WhiteA premium solar-powered marine vent that runs day and night β no wiring, no shore power, no hassle. The Nicro ...
View full detailsNicro Day/Night Solar Vent 4" β Stainless Steel
Nicro Day/Night Solar Vent 4" β Stainless SteelA premium solar-powered marine vent that runs day and night β no wiring, no shore power, no hassle. ...
View full detailsAttwood Deluxe Low-Profile PVC Cowl Vent β White with Red Interior
Attwood Deluxe Low-Profile PVC Cowl Vent β White with Red InteriorA premium low-profile cowl vent designed for air intake and cabin ventilation on ...
View full detailsSea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck Plate β Large (7271423)
Sea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck PlateA large-format, low-profile cowl vent designed for air intake and cabin ventilation on boa...
View full detailsAttwood Deluxe Low-Profile PVC Cowl Vent β White with Red Interior, Large
Attwood Deluxe Low-Profile PVC Cowl Vent β White with Red Interior, LargeThe larger version of the Attwood deluxe low-profile cowl vent, designed f...
View full detailsNicro Day/Night Solar Vent 3" β Stainless Steel
Nicro Day/Night Solar Vent 3" β Stainless SteelA premium solar-powered marine vent that runs day and night β no wiring, no shore power, no hassle. ...
View full detailsPerko Water Deck Fill Cap β Black
Perko Water Deck Fill Cap β BlackA replacement cap for Perko water deck fill fittings, keeping your freshwater fill port sealed and protected when ...
View full detailsPerko Adjustable Deck Plate Key β Chrome, Fits Up to 8"
Perko Adjustable Deck Plate Key β Chrome, Fits Up to 8"A heavy-duty adjustable deck plate key with a polished chrome finish and hardened steel pins...
View full detailsSea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck Plate
Sea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck PlateA practical ventilation solution for boats where deck space and clearance are at a premium...
View full detailsSea-Dog Standard PVC Cowl Vent with Snap-On Deck Plate β White/Red
Sea-Dog Standard PVC Cowl Vent with Snap-On Deck Plate β White with Red InteriorA classic-profile cowl vent designed for air intake and cabin venti...
View full detailsSea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck Plate β Large
Sea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck Plate β LargeA larger-format, low-profile cowl vent designed for air intake and cabin ventilati...
View full detailsSea-Dog Standard PVC Cowl Vent with Snap-On Deck Plate β White/Red, Large
Sea-Dog Standard PVC Cowl Vent with Snap-On Deck Plate β White with Red Interior, LargeA larger-format, standard-profile cowl vent designed for air...
View full detailsSea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck Plate
Sea-Dog Low-Profile PVC Cowl Vent with Snap-On Deck PlateA practical ventilation solution for boats where deck space and clearance are at a premium...
View full detailsSea-Dog Screw-Out Deck Plate 6" β Black
Sea-Dog Screw-Out Deck Plate 6" β BlackA large-format, tool-required screw-out deck plate built to marine-grade standards. Moulded from high-qualit...
View full detailsSea-Dog Screw-Out Deck Plate 6" β White
Sea-Dog Screw-Out Deck Plate 6" β WhiteThe largest in Sea-Dogβs screw-out deck plate lineup, this 6" plate provides a generous access opening for l...
View full detailsSea-Dog Screw-Out Deck Plate 6-1/2" with Clear Lid β White
Sea-Dog Screw-Out Deck Plate 6-1/2" with Clear Lid β WhiteA large-format screw-out deck plate with a standout feature: a clear polycarbonate lid th...
View full detailsSea-Dog Screw-Out Deck Plate 5" β Black (3371551)
Sea-Dog Screw-Out Deck Plate 5" β BlackA robust, tool-required screw-out deck plate built to marine-grade standards. Moulded from high-quality UV-s...
View full detailsSea-Dog Screw-Out Deck Plate 5" β White
Sea-Dog Screw-Out Deck Plate 5" β WhiteA larger-format, tool-required screw-out deck plate built to marine-grade standards. Moulded from high-quali...
View full detailsSea-Dog Screw-Out Deck Plate 4" β White
Sea-Dog Screw-Out Deck Plate 4" β WhiteA reliable, tool-required screw-out deck plate built to marine-grade standards. Moulded from high-quality UV...
View full detailsSea-Dog Screw-Out Deck Plate 5" β Black
Sea-Dog Screw-Out Deck Plate 5" β BlackA larger-format, tool-required screw-out deck plate built to marine-grade standards. Moulded from high-quali...
View full detailsSea-Dog Screw-Out Deck Plate 4" β Black
Sea-Dog Screw-Out Deck Plate 4" β BlackA reliable, tool-required screw-out deck plate built to marine-grade standards. Moulded from high-quality UV...
View full detailsSea-Dog Adjustable Bronze Deck Plate Key β 6" Max Opening
Sea-Dog Adjustable Bronze Deck Plate Key β 6" Max OpeningA heavy-duty, adjustable deck plate key built from sand cast bronze β the most durable mat...
View full detailsSea-Dog Deck Plate Lid Lanyard β 12" Stainless Steel
Sea-Dog Deck Plate Lid Lanyard β 12" Stainless SteelA simple, practical accessory that keeps your deck plate lid tethered to the hull so it canβt b...
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