From Stung Treng
Access to The Koh Preah Homestay is by small ferry (1000 riel/0.25c one way) located an hours drive from Stung Treng. Turn off National Road 7 at Red Mountant Road (GPS 13.388662,106.0820398) and the ferry dock is another 20 minutes from here. From Stung Treng a direct tuk-tuk costs $20 and takes about one hour to reach the ferry (GPS 13.3017992,105.9136956).
Alternatively, hop on a bus to Kratie (arranged with your guest house) and ask to be dropped at the intersection at Mountant Road and National Road 7 for the Koh Preah ferry.
From the ferry drop off on the island, a pre-arranged motodop ($1.25 USD) takes about 5 minutes to reach the other side of the island and to where the homestays are.
Easy, but pricey
For $80, a private boat can be arranged to pick you up directly from Stung Treng. Boats fit a maximum 20 people and take1-2hours.
From Kratie
Your best option, get on a local bus to Stung Treng ($5-$10) and ask to be dropped at the intersection at Mountant Road and National Road 7. From here hail a tuk-tuk or motodop to take you to Koh Preah ferry. Otherwise head further until you reach Aur Pour Moan, a well frequented bus station where all buses coming from Stung Treng and Ratanakiri stop. Here you are
a sure to find a tuk-tuk or motodop that can get you to the ferry.
Departure
Motodops ($2.50 USD) can be arranged from the islands ferry north to Aur Pour Moan. From here hop on a bus west to Stung Treng, East to Ratnaakiri or retrace your steps south to Kratie. Buses shouldn’t cost more than $5-$7.
Southern Boats
Direct from Koh Preah, private boats can be arrange to head south on the Mekong – although pricey. Boats from Koh Preah to Sambour (close to The Koh Pdao Homestay) take 3 and half hours and cost $100 for four people.