Some recent Maternity Beachwear auctions on eBay:

NEW BOHO GYPSY DRESS TOP BLOUSE BLACK TIE DYE MATERNITY BEACH WEAR L XL
US $15.99 (0 Bid)
End Date: Monday Feb-06-2012 10:10:28 PST
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Beach Wear Summer Maternity Dress Doesn't L XL 1X 2X 3X
US $24.00
End Date: Sunday Feb-12-2012 15:17:48 PST
Buy It Now for only: US $24.00
Buy it now | Add to watch list

Beach Wear Summer Maternity Dress Doesn't L XL 1X 2X 3X
US $24.00
End Date: Sunday Feb-12-2012 15:17:48 PST
Buy It Now for only: US $24.00
Buy it now | Add to watch list

Beach Wear Summer Maternity Dress Doesn't L XL 1X 2X 3X
US $24.00
End Date: Sunday Feb-12-2012 15:17:48 PST
Buy It Now for only: US $24.00
Buy it now | Add to watch list