Wasserlinie KM Sinabung auf der Karte von Surabaya

Ship is operated by the state owned PELNI company. All ships have ekonomi class (bunk beds, lots of people together), while some do have also second (4 people) and first class (2 people). Price is indicated for ekonomi class - second and first class is more expensive. Basic food - 3 meals per day - is included in the price.

Tickets can be bought in their offices (https://www.pelni.co.id/kantor-cabang, till the departure day) and to be paid with debit/credit card, or through the website/app (till some days before the departure).

The KM Sinabung operates on a biweekly schedule - 14 days from Surabaya to Surabaya; typically the ships goes one month in dock per year. Exact arrival and departure times can be found on their website (https://pelni.co.id)