Aruba The 'A' in the ABC islands (B for Bonaire, C for Curacao) is a small Caribbean Island measuring only 20 miles long by 6 miles wide. Yet, don't let its small size fool you. It is a complete tourist destination featuring breathtaking beaches, crystal clear and inviting waters, exotic restaurants and nightclubs, and a host of other activities sure to make your stay an unforgettable one.