The only way to get to Railay beach is by boat. There are boats available all day, the journey to get there is beautiful and it only costs about 60 baht per person. You can take the ferrie to Railey beach from Krabi,Ao Nang, Nopparat Thara and Ao Nam Mao.

Bangkok
There are many options to get to Bangkok. The capital has its own airport, skytrain, bus system and train station.