Stone sculptures exposed to saltwater environments face significant risks from erosion, chemical reactions, and biological growth. To preserve their integrity, several effective strategies can be employed.

1. Apply Protective Coatings: Use specialized sealants like siloxane or acrylic resins to create a barrier against saltwater penetration. These coatings repel moisture and reduce salt crystallization damage.

2. Regular Cleaning: Rinse sculptures with fresh water frequently to remove salt deposits. Avoid harsh chemicals; instead, use soft brushes and mild detergents.

3. Elevate or Relocate: Position sculptures above high-tide lines or in sheltered areas to minimize direct saltwater exposure. Indoors or under covers are ideal for long-term preservation.

4. Use Sacrificial Layers: Apply temporary coatings like lime washes that absorb salt damage and can be reapplied periodically without harming the stone.

5. Monitor and Maintain: Inspect sculptures for cracks or discoloration regularly. Early detection of damage allows for timely repairs, preventing irreversible harm.

By combining these methods, stone sculptures can withstand saltwater environments while retaining their aesthetic and structural quality for years.