Low Island is a small island located in the Caribbean Sea. It is part of the British Virgin Islands and is known for its beautiful beaches and crystal clear waters. The term 'LOW Island' is made up of two words, 'LOW' and 'island'. The crossword solutions for these two words are 'KEY' (3 letters) and 'CAY' (3 letters). A KEY is a small island or reef, usually surrounded by coral reefs, while a CAY is a LOW-lying, sandy island, often found in the Caribbean.