Is there a garage here? If so, where is the entrance?

Yes there are 2 parking garages, One is located on 16th street between Chestnut and Market street and the other is on 17th street between Chestnut & Market st

I. was Just Visiting

16th street

Two garage one connect to the hotel on 16th off Market the other on 17th off of Chestnut

Yes

Yes , there's a garage

I'm not sure where the entrance is but there is one.

Not sure but there's a parking lot right next door