San Nicolas, town, southeastern end of the island of Aruba, West Indies, in the southern Caribbean Sea.
Its deepwater port, with facilities for cargo handling and fuel bunkering, serves a nearby oil refinery. Near San Nicolas is the coastal village of Sabaneta, which, under the name Commandeursbaai, was the capital of Aruba until 1797. Pop. (2000) 15,848; (2010) 15,284.