Also bookable on Viator
The same city on Viator (Tripadvisor's marketplace), top rated first: a third place to compare dates and prices.
Prices run from USD8 to USD1508, and half of the 87 priced listings cost USD85 or less. Most take 2 hours to 4 hours. The best reviewed with at least 100 reviews is Portland, Maine: Black History Guided Walking Tour (5.0 from 173 reviews). The most reviewed is The Real Portland Tour: City and 3 Lighthouses Historical Tour with a Real Local (1,711 reviews).
For the operators we researched and recommend, see our food tours and cooking classes in Portland, Maine, or the experiences overview.