Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Salt marshes are coastal wetlands that are regularly flooded by seawater during high tides. They provide critical habitat for many species and help protect coastlines from erosion.
Related terms
Estuary: An estuary is a partially enclosed coastal body of water where freshwater from rivers mixes with seawater. It serves as a transition zone between land and sea.