Features

• Installs discreetly under your platform for clean, unobtrusive storage.
• Fits under most Armstrong outboard bracket platforms with minimal clearance required.
• Steps are angled at 15° for more natural and comfortable boarding from the water.
• Compact telescoping design makes deployment and stowage simple and efficient.
• Built with wide, flat steps featuring molded tread for secure, slip-resistant footing.
• Made from corrosion-resistant, polished 304 stainless steel for long-term durability.
• Rated to support up to 400 lbs and built for serious marine use.
• Available in 3- and 4-step models to accommodate different platform heights.
• Proudly made in the USA with precision and care.

Hidden Mount. High Performance. Built to Last.

Designed to mount seamlessly beneath a swim platform or bracket surface, Armstrong’s Under Platform Boarding Ladders offer a compact, telescoping solution without sacrificing strength or stability. Built from polished 304 stainless steel and featuring angled, comfort-grip steps, this ladder deploys easily when needed and stays completely out of sight when not in use. Ideal for boats with Armstrong outboard brackets or other platform-style applications.

Clearance Requirements:

• 3-Step (BL3-30UP): Requires minimum 14.5" width x 17" depth
• 4-Step (BL4-40UP): Requires minimum 14.5" width x 19" depth

Specs

• Mount Style: Under platform
• Construction: Polished 304 stainless steel
• Step Angle: 15° ergonomic climb
• Step Design: Wide molded tread steps
• Weight Capacity: 400 lbs

Clearance Requirements:

• 3-Step (BL3-30UP): Requires minimum 14.5" width x 17" depth
• 4-Step (BL4-40UP): Requires minimum 14.5" width x 19" depth