Koa Bracelet – Narrow, Gold PlatedMartin & MacArthur Koa bracelets are made with our private stock of Koa, sustainably harvested from fallen Koa trees on the Big Island. Our Hawaii craftsmen are proud to never use Koa harvested from live trees. We hand select dark, curly Koa from naturally fallen trees in private plantations on the Big Island. Koa is the most prized wood in Hawaii. It was the wood used by the warriors of King Kamehameha, the Great, to create canoes and weapons to