Take the Airport Rail Link from Suvarnabhumi Airport (at Basement floor) to Makkasan Station (City Line Ticket price 35 Baht). Please note that there is no ARL from Donmueang Airport at the moment.
Then walk from Makkasan Station to Petchaburi MRT underground train station and take the MRT underground train to Sutthisan station (Ticket price 22 Baht).
From Sutthisan MRT underground train station, take Exit 4 to ground level
Go straight the same direction as the stairway to Soi Ratchadapisek 17.
At this street corner, turn right (next to McDonald’s), walk 300 meters into the Soi (sub-street) and Siamaze is located on your left, next to a canal bridge.