On to Mui Ne Beach front, about 120 miles east of Saigon.

http://mylesrtzk502.bravesites.com/entries/general/11-points-to-do-sightseeing-excursions--luxurious-holidays-in-nha-trang

Great sand dunes are created by continual winds. Wind surfing and kite surfing are popular listed here. Mui Ne provides the strangest climate in Vietnam - It is in fact very hot and dry there.