Considering a Hawaiian vacation but torn between the Big Island and Oahu? One of the hardest parts about planning a trip to Hawaii is deciding which Hawaiian island to visit. If you’ve narrowed it down to the Big Island vs Oahu, this post is for you! I’m breaking down everything you need to know in order to choose between the Big Island vs Oahu, like which island has the best beaches, best nightlife, best outdoor activities, and more!