Boston's South Station is up for sale.
HFF, the brokerage firm representing the seller, said the space includes the retail units on the concourse and about 120,000-square-feet of offices above the retail space.
There is no listing price, but some estimate the property could sell for more than $100 million.
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"South Station is one of the most recognizable buildings in all of Boston," said Coleman Benedict, HFF's senior managing director. "The building effectively serves as the heart of downtown and a landmark for all who visit."
The sale price does not include the railroad tracks at South Station, which are owned and operated by the MBTA.