Complex sentence: Sitting diagonally across Lancaster Ave. and Ithan Ave. from Bartley Hall, South Campus is home to several residence halls--usually reserved for underclassmen--and Donahue Hall, home to "The Spit", short for "South Pit".
Split into simpler sentences: Sitting diagonally across Lancaster Ave. and Ithan Ave. from Bartley Hall, South Campus is home to several residence halls. There is also Donahue Hall, home to "The Spit", short for "South Pit".