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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Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 60 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 40 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 30 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 12 In. Compressed-20 In. Extended, 20 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 90 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 50 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 30 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 20 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 15 In. Compressed-9.5 In. Extended, 60 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 15 In. Compressed-9.5 In. Extended, 40 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 9.5 In. Compressed-15 In. Extended, 20 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 12 In. Compressed-8.1 In. Extended, 40 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 8.1 In. Compressed-12 In. Extended, 30 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 10 In. Compressed-7 In. Extended, 40 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 10 In. Compressed-7 In. Extended, 30 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 5.25 In. Compressed-7.5 In. Extended, 30 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsSeachoice Black Gas Spring, 7.5 In. Compressed-5.25 In. Extended, 20 Pounds of Force
This Seachoice Black Gas Spring provides a compact, lightweight, and highly effective controlled lift assist in applications such as doors, lids, a...
View full detailsHatch Fastener/Windshield Keeper
The PERKO Hatch Fastener/Windshield Keeper (9-0697DP0CHR) is a chrome-plated hatch fastener/windshield keeper designed for secure deck hatch and wi...
View full detailsClassic Series Stainless Steel Elliptical Portlight
Polished stainless steelFriction hinge for opening in any positionComplete with outside finishing ringSmoked acrylic with polished edgesInternal mo...
View full detailsRight Latch Dog Assembly
Restore confident hatch latching with the Bomar Right Latch Dog Assembly (49-P200053), a replacement latch dog set for Bomar hatches. Key Features ...
View full detailsLeft Latch Dog Assembly
Replace your hatch hardware with the Left Latch Dog Assembly (49-P200052). This left-side latch dog assembly is made for Bomar hatch latch operatio...
View full detailsGrooved Mushroom Cap
Grooved Mushroom Cap
Female Knob
Bomar Female Knob (49-P10007) for hatch hardware—made to replace the female knob component used with Bomar-style hatch/port latching assemblies. Ke...
View full detailsMale Knob
Replace a worn hatch/port ventilation hardware knob with this Bomar male knob (49-P10006). Built as a direct replacement-style component for Bomar ...
View full detailsExtruded Screen
Keep airflow going and help keep pests out with this Bomar-style extruded hatch screen designed to replace the screen on select Nibo series extrude...
View full detailsHatch Hi-Pro 20-3/16 X 20-3/16
The Hatch Hi-Pro 20-3/16 X 20-3/16 is a high-profile marine deck hatch featuring a Style A (external) hinge design, anodized heavy-duty aluminum fr...
View full detailsLow Profile Hatch, 18-1/2 X 18-1/2
Bring durable, low-profile ventilation and access to your deck with this Bomar low profile hatch. Built with anodized heavy-duty aluminum framing a...
View full detailsLow Profile Hatch, 16-1/2 X 16-1/2
Secure, low-profile deck access with a clean exterior hinge setup—built with anodized heavy-duty aluminum framing and a heavy-duty acrylic top for ...
View full detailsLow Profile Hatch, 20-1/4 X 20-1/4
A low-profile marine deck hatch designed for streamlined access with an external Style A hinge—built with anodized heavy-duty aluminum framing and ...
View full detailsHatch Package With Trim Ring & Screen, Black w/Smoked Acrylic Lens
This low profile molded hatch has quick action dogs, collet arm, vent position and smoked acrylic lens.Trim ring & screen included.
Hatch Package With Trim Ring & Screen, Black w/Smoked Acrylic Lens
A low profile molded deck hatch package in black with quick action dogs, a collet arm, vent position, and a smoked acrylic lens—finished with the i...
View full detailsSeaDog 321680 Hatch Spring | Formed 304 Stainless Steel | #10 Fastener
Hatch spring is made of formed 304 stainless steel with injection molded nylon mounts. Big, heavy-duty spring that is ideal for larger hatches and ...
View full detailsSeaDog 321670 Hatch Spring with Internal Cable | Formed 304 Stainless Steel | #10 Fastener
Hatch spring has an internal wire that prevents the spring from being overextended during normal and is made of formed and stamped 304 stainless st...
View full detailsSea-Dog 3216601 Hatch Spring
Restore smooth, spring-assisted opening on compatible hatch covers with the Sea-Dog 3216601 Hatch Spring (formed 304 stainless steel). Key Features...
View full detailsSea-Dog 3216501 Hatch Spring
The Sea-Dog Stainless Steel Hatch Spring has an internal wire that prevents the spring from being overextended during normal use.Not recommended fo...
View full detailsSeaDog Hatch Adjuster | Formed & Stamped 304 Stainless & Nylon
Sea-Dog Hatch Adjuster (354-3212951) is designed to securely hold hatch and lid positions using a simple twist-lock knob. It features corrosion-res...
View full detailsSeaDog Hatch Adjuster | Formed & Stamped 304 Stainless & Nylon
Secure your hatch in the closed position with the Sea-Dog Hatch Adjuster. Constructed from corrosion-resistant formed & stamped 304 stainless s...
View full detailsSeaDog Hatch Adjuster | Formed & Stamped 304 Stainless & Nylon
Sea-Dog Hatch Adjuster provides a simple screw-in action to hold your hatch securely in the closed position, using corrosion-resistant formed &...
View full detailsHatch Latch
Secure a hatch in the closed position with the Hatch Latch—stamped 304 stainless steel hardware from Sea-Dog Line. A simple screw-in action keeps y...
View full detailsTaylor Installation Foam For Hatches 1/4" x 1/2" x 8'
Replacement Taylor Made installation foam for hatch repairs. Cut-to-fit along the hatch opening for proper sealing and comfortable below-deck use. ...
View full detailsLewmar 39944030 Low Profile Size 44 Rectangular Self Supporting Hatch
The Low Profile Hatch has soft styling and sleek looks, ideal for use on a powerboat. Smaller ventilation hatches are suitable for any deck locatio...
View full detailsLewmar Medium Profile Hatch, Size 44
Ideal as a foredeck hatch on larger offshore yachts, the Medium Profile has thicker acrylic and deeper frame sections for greater strength and dura...
View full detailsLewmar Flush Hatch, Size 44
Lewmar pioneered the high-volume flush hatch platform back in 2006, bringing what was then Superyacht styling into mainstream boat production. The ...
View full detailsLewmar Low Profile Rectangular Hatch, Size 40
The Low Profile Hatch has soft styling and sleek looks, ideal for use on a powerboat. Smaller ventilation hatches are suitable for any deck locatio...
View full detailsLewmar 39930030 Low Profile Size 30 Rectangular Self Supporting Hatch
The Low Profile Hatch has soft styling and sleek looks, ideal for use on a powerboat. Smaller ventilation hatches are suitable for any deck locatio...
View full detailsLewmar Medium Profile Hatch, Size 30
Ideal as a foredeck hatch on larger offshore yachts, the Medium Profile has thicker acrylic and deeper frame sections for greater strength and dura...
View full detailsLewmar Hatch Trim Kit, White, Size 10
Easy and stylish way of finishing a hatch installation inside the cabin Trim kits come complete with a flyscreen Can only be fitted to boats with ...
View full detailsLewmar Low Profile Round Hatch – Size 22
Sleek, Low-Profile Ventilation for Powerboats and SailboatsThe Lewmar Low Profile Round Hatch Size 22 combines clean, modern styling with practical...
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