They say if you've got it flaunt it, but if you haven't got much you can be more confident of not bursting out of a really small bikini brief. You are free to explore the really tiny bikinis, if you have a nice ass too you can go for thongs that are virtual rather than actual in their coverage. Go and have a look on the Koalaswim.com website.
http://www.koalaswim.com/Bikinis_c_18.html
Celebrate being who you are, stand up and be wonderful.
You should of course ensure that what you wear is suitable for where you are going.