Complex sentence: In Connecticut, there is a brief stop in Saybrook, a small town just downriver from Wethersfield, where four new passengers board the "Dolphin", the ship on which Kit is traveling.
Split into simpler sentences: In Connecticut, there is a brief stop in Saybrook, a small town just downriver from Wethersfield. There were four new passengers board the "Dolphin", the ship on which Kit is traveling.