1. Located, occurring, or operating within or along the coast; relating to waterways, shipping, or travel between ports along the same coast.
Usage: Commonly used in maritime and nautical contexts; Often capitalized when referring to specific waterways (e.g., Intracoastal Waterway)

Examples

• The intracoastal waterway provides a sheltered route for boats traveling along the Atlantic coast.
• Intracoastal shipping is often more economical than overland transport for coastal communities.
• Many pleasure boats use the intracoastal route to avoid open ocean conditions.
• The intracoastal barge service connects several ports between Miami and Jacksonville.
• Intracoastal trade has been important to the region's economy for centuries.