SEA Import Custom Clearance refers to the process of clearing imported goods through customs authorities when they are transported by sea. Importing goods via sea involves a series of steps and documentation to ensure compliance with customs regulations and the smooth movement of goods from the port of arrival to the importer's location. 

It's crucial for importers to work with experienced customs brokers or freight forwarders who are familiar with the specific regulations and requirements of both the country of export and import. Failure to comply with customs regulations can lead to delays, fines, or confiscation of the goods. Importers should also be aware of any import restrictions, licensing requirements, or quotas that might apply to specific types of goods or trading partners.