is there a DLC with a small map kinda like point look out or the Pitt for vegas ?

Only one out is Dead Money, it has lots of exploration but not like Point Lookout.
You cannot return to it thought.

Honest Heats comes out in like a week which is speculated to be open like Point Lookout.
Could wait for that DLC.

thanks for the heads up its a shame that dead money is only one play through

Well there are different endings for the DLC that allow for replayability.
It also has some cool stuff in it which is nice to collect.

cool don't tell me too much haven't got dead money yet.