4' x 2" x 2" Square Aluminum Dock Post with 1/8" wall thickness 

Our 2" x 2" Aluminum Dock Post provides a durable, rust-free support solution for a wide range of dock systems and waterfront structures. Manufactured from high-strength aluminum, this square post offers excellent rigidity and long-term performance in waterfront environments. Lightweight yet exceptionally strong, it is easy to handle during installation and seasonal removal, making it a top choice for residential dock applications.

The square profile delivers superior resistance to twisting and lateral movement compared to round posts, improving overall dock stability. Its clean aluminum finish is maintenance-free and will not corrode, warp, or degrade like traditional steel or treated lumber posts.

Ideal for fixed docks, platforms, ramps, and custom waterfront builds.

Key Features

• 2" x 2" square aluminum tubing for enhanced structural stability
• Lightweight and corrosion-resistant, ideal for many marine environments
• Resists twisting and movement better than round pipe posts
• Perfect for dock legs, platforms, lift supports, and structural framing
• Low-maintenance, rust-free alternative to steel or treated lumber
• Easy to cut, drill, and install with standard tools

Common Applications

• Freestanding dock legs
• Support posts for platforms or piers
• Custom dock builds and repairs
• Shoreline walkways and ramps