Need travel information (Brunei)

Dear All,

We bought a cheap flight to Brunei for a week. Before that we didn't know that not much things to do in BSB for a week. Now we decide heading to Kota Kinnabalu.

Please advise us how to get Kota by Ferry and bus. Which transportation would be more experienced? How to get the ticket online, buy, get reservation.... etc.

Much appreciated with your information.

Thank you and cheers,
Diep