Creating metal sculptures for marine environments requires careful planning to combat the corrosive effects of saltwater. Artists employ several strategies to ensure longevity and durability.

First, material selection is critical. Stainless steel, bronze, and aluminum alloys are popular choices due to their natural resistance to rust. For added protection, some artists use marine-grade metals like Corten steel, which forms a protective oxide layer when exposed to moisture.

Protective coatings play a vital role. Epoxy primers, powder coatings, and specialized marine paints create barriers against saltwater. Galvanization—applying a zinc layer—is another effective method to prevent corrosion.

Regular maintenance is essential. Artists often design sculptures with drainage holes to prevent water accumulation and recommend periodic cleaning to remove salt deposits. Some even apply wax or oil coatings for extra shielding.

Innovative techniques, such as cathodic protection, are also used. This involves attaching sacrificial anodes (usually zinc) to the sculpture, which corrode instead of the artwork.

By combining these methods, artists ensure their metal sculptures remain stunning and resilient in harsh marine settings for years to come.