Masjid Raya Batam, or Batam Great Mosque, in Batam Centre, Indonesia. Batam is a small island off the coast of Singapore. Ethan Solomon—The Tech May. 9, 2016 Facebook Twitter Reddit Print Masjid Raya Batam, or Batam Great Mosque, in Batam Centre, Indonesia. Batam is a small island off the coast of Singapore. Ethan Solomon—The Tech