New Speed boats since 2016 takes you fast and safe to Koh Rong and Koh Rong Samloem. There is 50 seats in the boats and they have 8 boats in total. The boat trip takes 50 minutes. GTVC leaves from Serendipity pier every day. You can buy your ticket from there 5 different offices downtown or at the travel agents around town. You can also buy tickets online or from your hotel.
They also have offices on the islands.
The ferry leaves from following schedule
Return from Koh Rong and Koh Rong Samloem
Costs ( return ticket included)