Sea-Dog Folding Ladder, 5-Step, Injection Molded Polycarbonate, 582501-1

The Sea-Dog Folding Ladder (582501-1) is a portable emergency boarding ladder built for quick deployment when a boat operator or passenger needs to re-enter the vessel from the water. The 5-step ladder is molded in high-visibility orange polycarbonate, with a nylon rope supporting the frame between steps for flexibility and compact storage. It secures quickly to cleats, railings, stanchions, and halyards, making it a practical option for boats without a fixed swim ladder or as a backup safety device. The ladder supports up to 300 lbs and folds flat when not in use, so it can be stowed in a small locker or storage bag without taking up significant space. Because it is injection molded rather than welded or riveted, it resists corrosion in salt and fresh water environments better than uncoated metal ladders. Sea-Dog also offers this same folding ladder design in a 4-step (582502-1) and 3-step (582503-1) version, and sells the individual step (0P58202) and separator tube (0P58203) as separate replacement parts, so a damaged component can be replaced without buying a whole new ladder. This ladder is intended as a general boarding and emergency aid rather than a fitment-specific replacement part, so it works across boat types rather than being tied to a particular make or model.

Specifications

• Brand: Sea-Dog
• Manufacturer Part Number: 582501-1
• Product Type: Folding Boarding Ladder
• Number of Steps: 5
• Material: Injection Molded Polycarbonate
• Color: High-visibility orange
• Frame Support: Nylon rope
• Weight Capacity: 300 pounds
• Weight: 2.47 pounds
• Dimension A: 6 inches
• Dimension B: 11-3/4 inches
• Dimension C: 3 feet 2 inches
• Dimension D: 2 feet 4 inches
• Standard Pack: 1 each
• Mounting Points: Cleats, railings, stanchions, halyards

Fitment

This is a portable, universal boarding ladder that attaches to cleats, railings, stanchions, or halyards rather than a boat-specific mount, so it is not limited to a particular make or model.

Frequently Asked Questions

How many steps does the Sea-Dog 582501-1 folding ladder have? The Sea-Dog 582501-1 is a 5-step folding boarding ladder, the largest in Sea-Dog's folding ladder lineup alongside the 4-step 582502-1 and 3-step 582503-1.

What weight can this ladder hold? The Sea-Dog 582501-1 folding ladder supports up to 300 lbs.

What is the folding ladder made of? It is made of injection molded, high-visibility orange polycarbonate, with a nylon rope supporting the frame between the steps.

How does the Sea-Dog folding ladder attach to the boat? It secures quickly to cleats, railings, stanchions, or halyards, allowing it to be deployed without permanent hardware.

Does the ladder fold flat for storage? Yes, the 582501-1 folds flat for compact storage when not in use.

How much does the Sea-Dog 582501-1 ladder weigh? This folding ladder weighs 2.47 pounds.

What are the dimensions of the 582501-1 folding ladder? The 582501-1 measures 6 inches by 11-3/4 inches, with an extended length of 3 feet 2 inches and a folded length of 2 feet 4 inches.

Can individual parts of the ladder be replaced if damaged? Yes, Sea-Dog sells a replacement step (0P58202) and a replacement separator tube (0P58203) as separate parts for this folding ladder line.

What is the difference between the 582501-1, 582502-1, and 582503-1 ladders? The 582501-1 has 5 steps, the 582502-1 has 4 steps, and the 582503-1 has 3 steps; they differ in overall length and weight but share the same injection molded polycarbonate construction.

Is this ladder available in other colors? The standard 582501-1 is high-visibility orange; custom colors are available for large volume orders.

Is the Sea-Dog folding ladder a permanent installation? No, it is a portable ladder designed to secure quickly to cleats, railings, stanchions, or halyards rather than being permanently mounted.