Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

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.

01

Measure the Cutout

Check the cutout size, outside frame dimensions, corner radius, hinge clearance, and the space below the hatch before ordering.

02

Match the Use

Storage, ventilation, emergency access, tank inspection, and service openings each need the right lid style, lock, seal, and strength.

03

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.

For new installationsPlan the cutout carefully, confirm below-deck clearance, use proper backing, and seal every fastener penetration.
For replacement hatchesMeasure the cutout, outside frame, corner radius, hinge side, latch layout, and screw pattern from the old hatch.
For locking hatchesConfirm lock location, key access, hatch swing, interior clearance, and whether the compartment needs ventilation.
For screens and trim kitsMatch kit size and hatch series before ordering because trim and screen kits are not universal.

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.

Original price $53.89 - Original price $53.89
Original price
$53.89
$53.89 - $53.89
Current price $53.89

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 details
Original price $53.89 - Original price $53.89
Original price
$53.89
$53.89 - $53.89
Current price $53.89

Attwood SL32305 Gas Spring 10.5" Extended, 7.5" Compressed, 30 lbs.

Original price $58.39 - Original price $58.39
Original price
$58.39
$58.39 - $58.39
Current price $58.39

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 details
Original price $58.39 - Original price $58.39
Original price
$58.39
$58.39 - $58.39
Current price $58.39

Attwood SL31305 Gas Spring 7.5" Extended, 5.25" Compressed, 30 lbs.

Original price $53.29 - Original price $53.29
Original price
$53.29
$53.29 - $53.29
Current price $53.29

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 details
Original price $53.29 - Original price $53.29
Original price
$53.29
$53.29 - $53.29
Current price $53.29

Attwood SL31205 Gas Spring 7.5" Extended, 5.25" Compressed, 20 lbs.

Original price $53.29 - Original price $53.29
Original price
$53.29
$53.29 - $53.29
Current price $53.29

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 details
Original price $53.29 - Original price $53.29
Original price
$53.29
$53.29 - $53.29
Current price $53.29

Attwood SL30405 Gas Spring 10" Extended, 7" Compressed, 40 lbs.

Original price $54.39 - Original price $54.39
Original price
$54.39
$54.39 - $54.39
Current price $54.39

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 details
Original price $54.39 - Original price $54.39
Original price
$54.39
$54.39 - $54.39
Current price $54.39

Attwood SL30205 Gas Spring 10" Extended, 7" Compressed, 20 lbs.

Original price $53.29 - Original price $53.29
Original price
$53.29
$53.29 - $53.29
Current price $53.29

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 details
Original price $53.29 - Original price $53.29
Original price
$53.29
$53.29 - $53.29
Current price $53.29

Attwood Stainless Gas Spring 8MM Rod 20" Extended, 12" Compressed, 60 LB

Original price $119.99 - Original price $119.99
Original price
$119.99
$119.99 - $119.99
Current price $119.99

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 details
Original price $119.99 - Original price $119.99
Original price
$119.99
$119.99 - $119.99
Current price $119.99

Attwood Stainless Gas Spring 8MM Rod 20" Extended, 12" Compressed, 20 LB

Original price $107.89 - Original price $107.89
Original price
$107.89
$107.89 - $107.89
Current price $107.89

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 details
Original price $107.89 - Original price $107.89
Original price
$107.89
$107.89 - $107.89
Current price $107.89

50 Ser S.S. Bracket Reverse Ball

Original price $30.49 - Original price $30.49
Original price
$30.49
$30.49 - $30.49
Current price $30.49

Mounting bracket: pem type: Ball 10mm. direction forward.

Original price $30.49 - Original price $30.49
Original price
$30.49
$30.49 - $30.49
Current price $30.49

Attwood Flat Gas Spring Mounting Bracket Ball Pem Forward 2 Holes Stainless Steel

Original price $21.59 - Original price $21.59
Original price
$21.59
$21.59 - $21.59
Current price $21.59

Mounting bracket: pem type: Ball 10mm. direction forward.

Original price $21.59 - Original price $21.59
Original price
$21.59
$21.59 - $21.59
Current price $21.59

Attwood SL36905 Gas Spring 17.2" Extended, 10.2" Compressed, 90 lbs.

Original price $56.99 - Original price $56.99
Original price
$56.99
$56.99 - $56.99
Current price $56.99

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 details
Original price $56.99 - Original price $56.99
Original price
$56.99
$56.99 - $56.99
Current price $56.99

Sierra Nitride Coated Nautalift 5.5 - 7.5" Range 2" Stroke Gas Lift Supports

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Ball Stud SS w/Thread Shaft

Original price $33.79 - Original price $33.79
Original price
$33.79
$33.79 - $33.79
Current price $33.79

Essential for proper operation of any gas filled lift support. Crafted in solid stainless steel. Includes 10mm ball stud.

Original price $33.79 - Original price $33.79
Original price
$33.79
$33.79 - $33.79
Current price $33.79

Angle Bracket SS w/Ball Stud

Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

Essential for proper operation of any gas filled lift support. Crafted in solid stainless steel. Includes 10mm ball stud.

Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

Rod End

Original price $20.69 - Original price $20.69
Original price
$20.69
$20.69 - $20.69
Current price $20.69

Rod end with internal threads for either end of Nautalift gas filled lift supports.

Original price $20.69 - Original price $20.69
Original price
$20.69
$20.69 - $20.69
Current price $20.69

Angle Bracket w/Ball Stud 2/Cd

Original price $17.79 - Original price $17.79
Original price
$17.79
$17.79 - $17.79
Current price $17.79

Essential for proper operation of any gas filled lift support. Crafted in solid stainless steel. Includes 10mm ball stud.

Original price $17.79 - Original price $17.79
Original price
$17.79
$17.79 - $17.79
Current price $17.79

Sierra Nitride Coated Nautalift 12 - 20" Range 8" Stroke Gas Lift Supports

Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Sierra Nitride Coated Nautalift 12 - 20" Range 8" Stroke Gas Lift Supports

Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Sierra Nitride Coated Nautalift 12 - 20" Range 8" Stroke Gas Lift Supports

Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Sierra Nitride Coated Nautalift 11 - 17" Range 6" Stroke Gas Lift Supports

Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $58.29 - Original price $58.29
Original price
$58.29
$58.29 - $58.29
Current price $58.29

Sierra Nitride Coated Nautalift 9.5 - 15" Range 5.5" Stroke Gas Lift Supports

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Sierra GS62660 Nitride Coated Nautalift 8.5 - 12" Range 20 lb Force 3.5" Stroke Gas Lift Supports

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Sierra Nitride Coated Nautalift 7 - 10" Range 3" Stroke Gas Lift Supports

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Sierra Nitride Coated Nautalift 7 - 10" Range 3" Stroke Gas Lift Supports

Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Marine grade, exact fit OE replacement gas filled supports. Nitride coated annealed steel rods for corrosion resistance. Features engineered polyme...

View full details
Original price $59.99 - Original price $59.99
Original price
$59.99
$59.99 - $59.99
Current price $59.99

Seachoice 39611 Polypropylene Cover Plate Black, OD: 5-5/8"

Original price $12.09 - Original price $12.09
Original price
$12.09
$12.09 - $12.09
Current price $12.09

UV stabilized.Acetone resistant polypropylene Requires #8 fasteners

Original price $12.09 - Original price $12.09
Original price
$12.09
$12.09 - $12.09
Current price $12.09

Seachoice 39601 Mounted Boat Plate Cover, Arctic White Finish, Up to 4 in.

Original price $12.29 - Original price $12.29
Original price
$12.29
$12.29 - $12.29
Current price $12.29

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 details
Original price $12.29 - Original price $12.29
Original price
$12.29
$12.29 - $12.29
Current price $12.29

Seachoice 39591 Mounted Boat Plate Cover, Arctic White Finish, Up to 6 in.

Original price $21.89 - Original price $21.89
Original price
$21.89
$21.89 - $21.89
Current price $21.89

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 details
Original price $21.89 - Original price $21.89
Original price
$21.89
$21.89 - $21.89
Current price $21.89

Seachoice 39571 Polypropylene Cover Plate Arctic White, OD: 10"

Original price $27.49 - Original price $27.49
Original price
$27.49
$27.49 - $27.49
Current price $27.49

UV stabilized.Acetone resistant polypropylene Requires #8 fasteners

Original price $27.49 - Original price $27.49
Original price
$27.49
$27.49 - $27.49
Current price $27.49

Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 120 Pounds of Force

Original price $32.09 - Original price $32.09
Original price
$32.09
$32.09 - $32.09
Current price $32.09

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
Original price $32.09 - Original price $32.09
Original price
$32.09
$32.09 - $32.09
Current price $32.09

Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 90 Pounds of Force

Original price $45.89 - Original price $45.89
Original price
$45.89
$45.89 - $45.89
Current price $45.89

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
Original price $45.89 - Original price $45.89
Original price
$45.89
$45.89 - $45.89
Current price $45.89

Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 60 Pounds of Force

Original price $45.79 - Original price $45.79
Original price
$45.79
$45.79 - $45.79
Current price $45.79

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
Original price $45.79 - Original price $45.79
Original price
$45.79
$45.79 - $45.79
Current price $45.79

Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 40 Pounds of Force

Original price $45.89 - Original price $45.89
Original price
$45.89
$45.89 - $45.89
Current price $45.89

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
Original price $45.89 - Original price $45.89
Original price
$45.89
$45.89 - $45.89
Current price $45.89

Seachoice Black Gas Spring, 20 In. Compressed-12 In. Extended, 30 Pounds of Force

Original price $45.89 - Original price $45.89
Original price
$45.89
$45.89 - $45.89
Current price $45.89

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
Original price $45.89 - Original price $45.89
Original price
$45.89
$45.89 - $45.89
Current price $45.89

Seachoice Black Gas Spring, 12 In. Compressed-20 In. Extended, 20 Pounds of Force

Original price $32.09 - Original price $32.09
Original price
$32.09
$32.09 - $32.09
Current price $32.09

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
Original price $32.09 - Original price $32.09
Original price
$32.09
$32.09 - $32.09
Current price $32.09

Seachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 90 Pounds of Force

Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

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
Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

Seachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 50 Pounds of Force

Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

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
Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

Seachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 30 Pounds of Force

Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

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
Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

Seachoice Black Gas Spring, 17.2 In. Compressed-10.2 In. Extended, 20 Pounds of Force

Original price $30.87 - Original price $30.87
Original price
$30.87
$30.87 - $30.87
Current price $30.87

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
Original price $30.87 - Original price $30.87
Original price
$30.87
$30.87 - $30.87
Current price $30.87

Seachoice Black Gas Spring, 15 In. Compressed-9.5 In. Extended, 60 Pounds of Force

Original price $45.79 - Original price $45.79
Original price
$45.79
$45.79 - $45.79
Current price $45.79

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
Original price $45.79 - Original price $45.79
Original price
$45.79
$45.79 - $45.79
Current price $45.79

Seachoice Black Gas Spring, 15 In. Compressed-9.5 In. Extended, 40 Pounds of Force

Original price $45.69 - Original price $45.69
Original price
$45.69
$45.69 - $45.69
Current price $45.69

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
Original price $45.69 - Original price $45.69
Original price
$45.69
$45.69 - $45.69
Current price $45.69

Seachoice Black Gas Spring, 9.5 In. Compressed-15 In. Extended, 20 Pounds of Force

Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

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
Original price $46.29 - Original price $46.29
Original price
$46.29
$46.29 - $46.29
Current price $46.29

Seachoice Black Gas Spring, 12 In. Compressed-8.1 In. Extended, 40 Pounds of Force

Original price $45.59 - Original price $45.59
Original price
$45.59
$45.59 - $45.59
Current price $45.59

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
Original price $45.59 - Original price $45.59
Original price
$45.59
$45.59 - $45.59
Current price $45.59

Seachoice Black Gas Spring, 8.1 In. Compressed-12 In. Extended, 30 Pounds of Force

Original price $33.39 - Original price $33.39
Original price
$33.39
$33.39 - $33.39
Current price $33.39

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
Original price $33.39 - Original price $33.39
Original price
$33.39
$33.39 - $33.39
Current price $33.39

Seachoice Black Gas Spring, 10 In. Compressed-7 In. Extended, 40 Pounds of Force

Original price $47.99 - Original price $47.99
Original price
$47.99
$47.99 - $47.99
Current price $47.99

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
Original price $47.99 - Original price $47.99
Original price
$47.99
$47.99 - $47.99
Current price $47.99

Seachoice Black Gas Spring, 10 In. Compressed-7 In. Extended, 30 Pounds of Force

Original price $47.99 - Original price $47.99
Original price
$47.99
$47.99 - $47.99
Current price $47.99

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
Original price $47.99 - Original price $47.99
Original price
$47.99
$47.99 - $47.99
Current price $47.99

Seachoice Black Gas Spring, 5.25 In. Compressed-7.5 In. Extended, 30 Pounds of Force

Original price $33.39 - Original price $33.39
Original price
$33.39
$33.39 - $33.39
Current price $33.39

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
Original price $33.39 - Original price $33.39
Original price
$33.39
$33.39 - $33.39
Current price $33.39

Seachoice Black Gas Spring, 7.5 In. Compressed-5.25 In. Extended, 20 Pounds of Force

Original price $47.59 - Original price $47.59
Original price
$47.59
$47.59 - $47.59
Current price $47.59

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
Original price $47.59 - Original price $47.59
Original price
$47.59
$47.59 - $47.59
Current price $47.59

Hatch Fastener/Windshield Keeper

Original price $86.79 - Original price $86.79
Original price
$86.79
$86.79 - $86.79
Current price $86.79

Chrome plated brass and zinc.Keeper is 1-1/2" x 5/8".

Original price $86.79 - Original price $86.79
Original price
$86.79
$86.79 - $86.79
Current price $86.79