http://www.bluewaterphotostore.com/bluewater-wa110-wide-angle-lens
Pristine condition - used on one or two trips, open to offers. I've since upgraded to full DSLR setup so it's unlikely I'll ever use this again (it's already sat for about 2 years). Used on a S95 in a Canon housing, so if you shoot something similar I have other extras to sell too.
Misc other parts for sale:
http://www.bluewaterphotostore.com/dyron-adapter-67mm-canon-wp-dc38-s95
http://www.bluewaterphotostore.com/idas-flip-adapter-canon-s95-100-110
Canon s95 housing
Sea & Sea strobe mask kit
ULCS handle and tray kit