www.landsend.com has some great deals on overstocked swimwear!!
to search : click 'overstocks', 'women', 'swimsuits', then sort by 'low to high'
i can't believe i paid full price for these exact pieces 2 years ago! (but i was desparate!) these are my favorites:bottom ($6) - http://www.landsend.com/pp/ControlFailleSwimMini~201493_59.html?bcc=y&action=order_more&sku_0=::TUR&CM_MERCH=IDX_00008__0000000134&origin=index tops
($13) - http://www.landsend.com/pp/SolidFailleHineckSwimTop~199866_-1.html?bcc=y&action=order_more&sku_0=::TUR&CM_MERCH=IDX_00008__0000000134&origin=index
1 piece (slendersuit!): (wish i could justify getting this! - now $20)http://www.landsend.com/pp/AlloverControlSlenderTunicSwimsuit~199340_1766.html?bcc=y&action=order_more&sku_0=::BLA&CM_MERCH=IDX_00008__0000000135&origin=index
separates are nice because you can get different sizes if you need them (i do!) hope you find something you like
p.s. you can easily get free shipping codes! look online, ask someone who subscribes, or sign up for their email list