Like an open kayak. 8'3" long by 29" wide. About 15 pounds with removable buoyancy tanks in; about 10 pounds without.
This boat was hand-made to a very high standard using a sophisticated design from Geodesic Airolite. See http://gaboats.com/
The model is Sweet Pea Mark 2.
http://gaboats.com/boats/sweetpeamark2.html
It has been painted with Petit EasyPoxy marine enamel for ultraviolet protection.
Fibreglass seat extra $25.