Portable Beach House in New Zealand

"On the shore of an idyllic white sanded beach in New Zealand's Coromandel Peninsula rests an elegant hut. Closed up, the rough macrocarpa-cladding blends into the landscape and perches quietly on the dunes, as passersby wonder how it could possibly function for a family of five. Designed to close up against the elements, the hut measures a mere 40 square metres and rests on two thick wooden sleds™ that allow it to be shifted around the beach front section. This innovative portability is a response to the ever changing landscape that line the beachfront in this coastal erosion zone.…"
On Little Diggs, a sort of Dwell magazine type architectural website; most digs are spare and bare, but all in all, a good location for those interested in little homes. Lots of other pics of this place.