Moyai-bune has a symbol of its town on the sail (e.g., a neighborhood association in a town which has remains of Kameyama shachu (the first trading company in Japan led by Ryoma SAKAMOTO at the end of the Edo period) in its town posts a sail depicting Ryoma SAKAMOTO).
もやい船の場合はその町のシンボルになるものがデザインされている（例町内に亀山社中跡がある自治会は坂本龍馬を描いている）。