section-0
Tunon Taka handles cargo and passenger activity, including the international relationship with Tawau. Liem Hie Djung is separately documented as a regional passenger and goods transport node. Those roles do not establish a timetable for your day: confirm the operator and exact terminal for the journey you actually booked.
section-1
A harbour photograph shows part of Nunukan’s identity, not an invitation to enter restricted quays. Observe from permitted public space, leave loading routes clear and follow staff instructions. Use the port as context for the town’s trade and mobility; a guided harbour tour should never be implied unless one has actually been arranged.
section-2
A stay can connect this gateway role with Binusan’s forest or Mamolo’s Sunday food market. Keep each visit and transfer separate, and do not present distant mainland or Sebatik destinations as streets of Nunukan. The town is a useful base precisely because its geography is understood rather than compressed.