Big Island Solid Koa Tenor Ukulele.Big Island Solid Koa Tenor Ukulele. Big Island Tenor Ukulele with beautifully figured solid koa top, back and sides. In true Hawaiian style its lightweight construction gives a rich, warm and ringing tone. Part of Honu's 'Big Island Koa Traditional' series, this is an excellent, very high quality tenor ukulele. Its wonderfully comfortable neck makes it a dream to play and it definitely gets the Duke's seal of approval! For a deluxe version look to the Honu Big Island Tortoise Rope model.