- Welcome to the Unalaska/Port of Dutch Harbor Convention and Visitors Bureau Undiscovered...Unforgettable...Unalaska! Sprechen Sie Deutsch Klicken Sie hier! Introduction to Unalaska and the International Port of Dutch Harbor The 2001 Annual World Record Halibut Derby and your chance to win $100, 000 ends on September 16! Contact the CVB for more information! 1-877-581-2612 Activities and Shopping ...arctic.net/~updhcvb