Suk 11 Guide to Siam Square
Easiest way To
get To Siam square from anywhere is the new Bangkok Skytrain
siam skytrain station (skytrain route map here)
Siam Square is the centre for all thing considered trendy in bangkok here are some of the spots and shops in the area.

"trendy" restaurants and fast food joints can be found all over siam square

shops selling trendy clothes and cafe are all over the place

Centre Point, hang out place for Thai teenagers (if you wanna see people in weird clothes, do come here great for people watching)
Bonanza and Maboonkrong (MBK)

Bonanza is a small ( I mean really tiny) 3 storeys townhouse filled with hundred of smalls shop selling mainly clothes, and cutesy stuffs for girls

the tube connecting Bonanza and Siam square to MBK

Maboonkrong is the greatest shopping centre in the world ( and trust me, I've been to a lot of shopping centre). It's 7 floors filled with everything you would everwant to buy. Clothes, Electronic, Furnitures, Videoes, Cds, Playstations and Pc games, anything you can think of and it's all avaliable to your bargaining ability.