A user informed me that this is most likely a Iota 12, Catboat, (Frostbiter) from 1989. There were only 8 made by http://brucekirbymarine.org Bruce Kirby Marine. Bruce Kirby is an Olympic and America's Cup sailor. Possibly the most prolific boat and yacht designer of all time with over 60 boats.
According to US Coast Guard built by Stur-Dee Boat Company of Tiverton, Rhode Island.
The only other know boat is a restored one: http://sailingtexas.com/201301/siota12101.html
more info here: www.rvharvey.com/iota.htm That one is restored and for sale for $2500.00
12' fiberglass monohull boat
daysailer sailboat dinghy sunfish type
There are no manufacturer's name on the boat
I was told that this may be a lancraft Kite. This was a competitive class in California at one point. Here is a link with more information.
on the stern section right side has a serial number SDB 001088585
12 foot long blue fiberglass boat by 5 foot wide
some hardware on the boat is marked "harken"and "FICO Austrailia"
Comes with sail, removeable daggerboard, mast
Aluminum Mast and rigging might need some work. small 6" fins are broken
HH Hild Sails Racing Division 15 ft sail
The aluminum reinforcing patch at the top of the sail needs to be re riveted
Teak bench seat is cracked.
some minor chips in the fiberglass
basically need a little work and a rudder and tiller
I believe you might be able to get parts here:
http://www.sunfishsailboatparts.com/ They said about $250 for a rudder and tiller
I would consider a trade for kayaks No reasonable offer will be refused