Apprently, it's not 4.5hours. It took us about 5.5hours, so the ferry would have already left at our arrival.
There was no choice then but to look for one on google. Luckily, the one I found wasn't so bad. At 250/night, i got a cofy, ultra smooth bed, very clean linens, a traditional bathroom, and a tv.
This post is part of the #limbonisASIA trip. See here for detailed expenses and more info