Audio Technica do some closed phones which provide good isolation in the terms you mean (least disturbance to others).
One of the tests I do on closed phones for commuting is getting the missus or kids to see how close they need to get to me to hear anything - with a higher volume in my ears than I would usually listen at.
The HD201s, HD25s, AKG26p**, ATH-FC7 all do this well at a budget price level.
My Westone UM2s do this (as would the Etymotics ER4s or similar IEMS) if you can get used to canal phones.
The ATH W100 was the one I bought for home closed listening but I sold it as it was a little too bright for my taste and the missus got used to the slight leakage of my more expensive HD650s.
However, unless you plan to do serious music listening you may be better off with a more modest budger and go for a Beyerdynamic closed set or Audio technica (they do some nice ones which are liked over at head-fi.org - but I've only personally tried the one model).
This is where my addiction started with a set of headphones for late night home cinema listening

careful your wallet content is in danger.
Steve