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.
Filters
Attwood SL33205 Gas Spring 15" Extended, 9.5" Compressed, 20 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL32305 Gas Spring 10.5" Extended, 7.5" Compressed, 30 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL31305 Gas Spring 7.5" Extended, 5.25" Compressed, 30 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL31205 Gas Spring 7.5" Extended, 5.25" Compressed, 20 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL30405 Gas Spring 10" Extended, 7" Compressed, 40 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood SL30205 Gas Spring 10" Extended, 7" Compressed, 20 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsAttwood Stainless Gas Spring 8MM Rod 20" Extended, 12" Compressed, 60 LB
These popular stainless steel replacement gas springs offer more durability than ever before. The pressure tube and rod are super-tough #316 Stainl...
View full detailsAttwood Stainless Gas Spring 8MM Rod 20" Extended, 12" Compressed, 20 LB
These popular stainless steel replacement gas springs offer more durability than ever before. The pressure tube and rod are super-tough #316 Stainl...
View full details50 Ser S.S. Bracket Reverse Ball
Mounting bracket: pem type: Ball 10mm. direction forward.
Attwood Flat Gas Spring Mounting Bracket Ball Pem Forward 2 Holes Stainless Steel
Mounting bracket: pem type: Ball 10mm. direction forward.
Attwood SL36905 Gas Spring 17.2" Extended, 10.2" Compressed, 90 lbs.
Popular replacement gas springs. Made with bio-degradable, no hazard to water, grade oil (WGK), making them the marine industry's most environmenta...
View full detailsSierra Nitride Coated Nautalift 5.5 - 7.5" Range 2" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsBall Stud SS w/Thread Shaft
Essential for proper operation of any gas filled lift support. Crafted in solid stainless steel. Includes 10mm ball stud.
Angle Bracket SS w/Ball Stud
Essential for proper operation of any gas filled lift support. Crafted in solid stainless steel. Includes 10mm ball stud.
Rod End
Rod end with internal threads for either end of Nautalift gas filled lift supports.
Angle Bracket w/Ball Stud 2/Cd
Essential for proper operation of any gas filled lift support. Crafted in solid stainless steel. Includes 10mm ball stud.
Sierra Nitride Coated Nautalift 12 - 20" Range 8" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra Nitride Coated Nautalift 12 - 20" Range 8" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra Nitride Coated Nautalift 12 - 20" Range 8" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra Nitride Coated Nautalift 11 - 17" Range 6" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra Nitride Coated Nautalift 9.5 - 15" Range 5.5" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra GS62660 Nitride Coated Nautalift 8.5 - 12" Range 20 lb Force 3.5" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra Nitride Coated Nautalift 7 - 10" Range 3" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSierra Nitride Coated Nautalift 7 - 10" Range 3" Stroke Gas Lift Supports
Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...
View full detailsSeachoice 39611 Polypropylene Cover Plate Black, OD: 5-5/8"
UV stabilized.Acetone resistant polypropylene Requires #8 fasteners
Seachoice 39601 Mounted Boat Plate Cover, Arctic White Finish, Up to 4 in.
Whether it is to seal or conceal instrument installation or access holes, this durable cover plate molded from UV stabilized, acetone-resistant pol...
View full detailsSeachoice 39591 Mounted Boat Plate Cover, Arctic White Finish, Up to 6 in.
Whether it is to seal or conceal instrument installation or access holes, this durable cover plate molded from UV stabilized, acetone-resistant pol...
View full detailsSeachoice 39571 Polypropylene Cover Plate Arctic White, OD: 10"
UV stabilized.Acetone resistant polypropylene Requires #8 fasteners
Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 120 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, 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, 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
Chrome plated brass and zinc.Keeper is 1-1/2" x 5/8".