Hawaiian Koa Wood Surfboard Pendant Top Surfboard Necklace This is "Koa Wood, the sacred wood where the gods reside," said to possess mysterious powers in Hawaii. Koa wood is a type of acacia, Acacia koa. It has been revered as a special wood since ancient times, and Koa products have been used as amulets. It is also used for ukuleles and has a unique deep color and luster. How about adding some style! C-4-287