Portland Bill Lighthouse is a functioning lighthouse at Portland Bill, on the Isle of Portland, Dorset, England. The lighthouse and its boundary walls are Grade II Listed.
As Portland's largest and most recent lighthouse, the Trinity House operated Portland Bill Lighthouse is distinctively white and red striped, standing at a height of 41m. The tower is approximately 114 feet. The lighthouse was completed by 1906 and first shone out on 11 January 1906. Portland Bill Lighthouse guides passing vessels through these hazardous waters as well as acting as a waymark for ships navigating the English Channel.