How to go to rayong from bangkok airport?

There are busses heading to Rayong from the Ekkemai bus station in Bangkok. (The Eastern Busstation) You can take buses to Rayong, or Ban Phe (Koh Samet). You can take a taxi from the airport to Ekkemai. You can also take the airport link to town and then take the Skytrain to Ekkamai skytrain station. The skytrain is next to the bus station.