Koloa Kauai 10th Anniversary Single Barrel Rum – Koloa Kauai 10th Anniversary Single Barrel Rum is released in celebration of Koloa’s 10th Anniversary. Six individual barrels of 4-Year Aged Hawaiian Rum were individually selected for this limited release. One barrel yields approximately 180 bottles, each of which are carefully inspected and numbered to ensure our Kaua`i Single-Barrel Rum is of the highest quality, distinctly different and uniquely Hawaiian. Join the Celebration!