Gray Line Iceland is a leading tourism specialists in Iceland, offering a range of sightseeing, day tours, vacation packages and tailor-made travel services. Building on more than a quarter-century of experience, Gray Line is the go-to local expert for sightseeing and destinations around Iceland. The company proudly carries the "Blue Diamond" logo of Gray Line World Wide, which guarantees the same level of care, professionalism and dedication that has fuelled the success of the planet's largest sightseeing company for over 100 years.