Breakfast in Bangkok -- if you're a local -- likely consists of a bowl of congee, fry bread or sticky rice with grilled pork. These things are commonly available in the streets just about anywhere you turn. For places catering to sit down meals and particularly to more Western choices, check out these fine establishments.
326/1-3 Sukhumvit Soi 14
A teahouse and coffee shop in a Chinese setting...
18/1 Soi 12, Sukhumvit Road
518/3 Phloen Chit Rd
39 Sukhumvit Soi 16
14,16 6 Building, Ratchadamnurn Rd. (Opposite the Government Lottery Office)
Good Thai Restaurant with Western Breakfast...
Sukhumvit Road, Between Soi 2 and Soi 4
A serious pub that ain't too serious... read more
Sukhumvit Road, Soi 3-17
Haggle for copies and hunt for a good drink or meal... read more
87 Soi 5, Sukhumvit Road
Hotel Plaza Athenee
Ground floor, United Center Building
Ground Floor, Union Mall Building, Jomphol, Jatuchak