A Channel Island is a type of island located in the English Channel, off the coast of France and England. Two examples of Channel Islands are Sark and WIGHT, which have been given as crossword solutions with 4 and 5 letters respectively. Sark is an island located in the Channel Islands archipelago, and is the smallest of the four main islands. WIGHT is the largest of the Channel Islands, and is located off the south coast of England.