How do you get rid of a lower stomache fat area?

im super skinny... like my arms legs butt boobs and face probably couldnt get any smaller, but my stomache is chubby! sinse its swimming season, its annoying to how a little stomache pouche. are there any excersize routines to get rid of that? eating or dieting wont help, because i dont want to really lose wait. any help would be appreciated :)