sentences:  Further offshore, floating coloured lit buoy markers delimit the boundary of the shipping routes.There are no lighthouses operating in the harbour or its precincts.Along the coast on mainland Singapore, there are multiple jetties and boardwalks from east to west, the Changi Ferry Terminal, SAF Changi Ferry Terminal, Changi Airport Fuel Hydrant Installation (CAFHI) Jetty, Changi Point Ferry Terminal, Changi Sailing Club Jetty, Changi Boardwalk, Police Coast Guard Loyang Base, Loyang Offshore Supply Base Jetty, Lorong Halus Jetty and the Outward Bound Singapore (OBS) Punggol Jetty.