A push up bra-style bikini top, or triangle top allows women to make the most of their assets, while relying on a pair of fuller bottoms to make sure the overall look isn't too risque, even for the beach.
BodyBody.com has very risque styles that are perfect for the daring woman with style.
You'll stay cool without being too risque.
The following websites specialize in risque lingerie and carry many items in sensual silk for plus sizes.
Keep in mind that many mods are intended to make the game a little more risque than usual, so be prepared for some of the more "adult" oriented mods that you may discover.