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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Beckson HT1821AW Rectangular Flush Hatch, 18-1/8" x 20-1/2", White
Upgrade your marine deck with the Beckson HT1821AW rectangular flush hatch in white. Designed for a clean, low-profile look, it’s easy to install a...
View full detailsBeckson HT1515AW Rectangular Flush Hatch, 14-5/8" x 14-3/4", White
The Beckson HT1515AW Rectangular Flush Hatch is a low-profile, weather-tight deck hatch designed for clean, snag-free access with concealed fastene...
View full detailsBeckson HT1424AW Rectangular Flush Hatch, 14" x 24", White
The Beckson HT1424AW Rectangular Flush Hatch provides streamlined, flush deck access with concealed fasteners. It opens a full 180° for unobstructe...
View full detailsBeckson HT1115AW Rectangular Flush Hatch, 10-3/4" x 14-3/4", White
Beckson HT1115AW rectangular flush hatch provides clean, deck-level access with a weather-tight seal and a reinforced non-skid surface. It opens 18...
View full detailsStainless Gas Lift Hardware, Double Angle Mounting Brackt, Pair
Stainless gas lift hardware for hatch/deck applications—featuring a double-angle mounting bracket designed to pair with the matching gas lift/ball-...
View full detailsStainless Gas Lift Hardware, Angled Mounting Bracket, Pair
Restore smooth, secure support for your marine hatch or deck access with this Stainless Gas Lift Hardware angled mounting bracket pair (SKU 32-1883...
View full detailsZinc Plated Gas Lift Hardware, Angled Bracket, Pair
Zinc Plated Gas Lift Hardware for deck hatches and access ports—an angled mounting bracket pair designed for smooth, secure gas-lift operation. Key...
View full detailsZinc Plated Gas Lift Hardware, Flat Bracket, Pair
Zinc plated gas lift hardware with a flat bracket design—supplied as a pair for creating a reliable, corrosion-resistant mounting connection for co...
View full detailsAttwood SL36705 Gas Spring 17.2" Extended, 10.2" Comprssed, 70 lbs.
Restore smooth lift performance on marine hatches with the Attwood SL36705 gas spring. Built for saltwater exposure, it provides 70 lbs of output f...
View full detailsAttwood SL35405 Gas Spring 8.46" Extended, 12.04" Compressed, 40 lbs.
Replace worn hatch lift gas spring hardware with the Attwood SL35405. Built for marine applications, this SpringLift gas spring is sized for 8.46" ...
View full detailsAttwood SL34905 Gas Spring 20" Extended, 12" Compressed, 90 lbs.
Attwood SL34905 marine gas spring replacement support for hatch and deck port lids—built to deliver smooth, controlled lift using a 20" extended le...
View full detailsAttwood SL34605 Gas Spring 20" Extended, 12" Compressed, 60 lbs.
Attwood SL34605 gas spring lift support is a 60 lb hatch/deck spring replacement designed for a 20" extended length and 12" compressed length (8" s...
View full detailsAttwood SL34405 Gas Spring 20" Extended, 12" Compressesd, 40 lbs.
Attwood SL34405 gas spring is a popular replacement for marine hatch/deck hatch lift support, offering an extended length of 20" and a compressed l...
View full detailsAttwood SL34305 Gas Spring 20" Extended, 12" Compressed, 30 lbs.
Attwood SL34305 gas spring is a popular replacement for marine deck hatches and compartment doors—built to deliver smooth lift performance with a 3...
View full detailsAttwood SL34205 Gas Spring 20" Extended, 12" Compressed, 20 lbs.
The Attwood SL34205 gas spring is a dependable marine-grade hatch support replacement designed to provide controlled lift using a 20" extended leng...
View full detailsAttwood SL341205 Gas Spring 20" Extended, 12" Compressed, 120 lbs.
Attwood SL341205 gas spring replacement for marine deck hatch and access port installations—built for dependable lift support in saltwater environm...
View full detailsAttwood SL33605 Gas Spring 15" Extended, 9.5" Compressed, 60 lbs.
Attwood SL33605 gas spring replacement is designed for smooth, controlled lift on marine deck hatches and access ports. With a 60 lb output force, ...
View full detailsAttwood SL33405 Gas Spring 15" Extended, 9.5" Compressed, 40 lbs.
Attwood SL33405 gas spring is a direct replacement style lift support for marine deck hatch applications, engineered for smooth assistance with a r...
View full detailsAttwood SL33205 Gas Spring 15" Extended, 9.5" Compressed, 20 lbs.
Replace worn or weak hatch lift supports with the Attwood SL33205 gas spring. Built for marine environments, it offers 15" of extended support and ...
View full detailsAttwood SL32305 Gas Spring 10.5" Extended, 7.5" Compressed, 30 lbs.
Attwood SL32305 marine gas spring is a popular replacement for deck hatches and access ports, providing controlled lift with a 10.5" extended lengt...
View full detailsAttwood SL31305 Gas Spring 7.5" Extended, 5.25" Compressed, 30 lbs.
Attwood SL31305 replacement gas spring for hatch lift applications, rated at 30 lbs and sized for 7.5" extended / 5.25" compressed travel. Designed...
View full detailsAttwood SL31205 Gas Spring 7.5" Extended, 5.25" Compressed, 20 lbs.
Attwood SL31205 gas spring (Ni-Slide series) provides smooth lift support for marine hatches and access ports, delivering 20 lbs of force with a 7....
View full detailsAttwood SL30405 Gas Spring 10" Extended, 7" Compressed, 40 lbs.
The Attwood SL30405 gas spring is a popular replacement lift support for marine hatches and deck access ports, helping hold a lid securely in the o...
View full detailsAttwood SL30205 Gas Spring 10" Extended, 7" Compressed, 20 lbs.
Attwood SL30205 replacement gas spring (10" extended / 7" compressed) with 20 lbs output force—built for smooth hatch and deck lid lift support in ...
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
Attwood flat gas spring mounting bracket designed for a Ball Pem connection, with a forward-facing orientation and two mounting holes. Made for sta...
View full detailsAttwood SL36905 Gas Spring 17.2" Extended, 10.2" Compressed, 90 lbs.
Replace worn lift supports with the Attwood SL36905 gas spring designed for marine hatches and deck access ports. It provides 90 lbs of output forc...
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
Replace or upgrade the ball stud end on your gas-filled lift support to help restore smooth, reliable lift-assist operation. Key Features Made fro...
View full detailsAngle Bracket SS w/Ball Stud
A 90° stainless steel angle bracket designed for mounting gas-filled lift support systems on marine hatches and deck access plates—featuring an int...
View full detailsRod End
Rod end with internal threads for either end of Nautalift gas filled lift supports.
Angle Bracket w/Ball Stud 2/Cd
Secure, marine-ready mounting hardware for gas-filled lift supports—built to help your hatch, deck plate, or access port open and close with proper...
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 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"
Update your marine deck with a durable Seachoice polypropylene cover plate in black. Designed for UV resistance and formulated to resist acetone, t...
View full detailsSeachoice 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"
Seachoice 39571 polypropylene cover plate in Arctic White (OD: 10") is designed to help provide a clean, durable finish for marine deck openings wh...
View full detailsSeachoice 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 details