The Salt Marsh is a unique environment with a fascinating tale that is often overlooked. Most coastal creatures depend fully or partially on the Salt Marsh. The role the Salt Marsh plays as a filter for water and a nursery for many of the creatures that inhabit the coast is vital for the functioning of the coastal ecosystem. Learn from an expert how and why this particular environment is so important. Considered one of the most productive ecosystems on earth, the Salt Marsh is a place worth visiting and exploring while on Hilton Head Island.