Spruce Hall is one of the primary housing units for students staying at the MDI Biological Laboratory. It has eight rooms, all with campus phone extensions and ethernet ports. Wireless connectivity is also available. There are two gender-specific bathrooms, and a large common space. Spruce’s double occupancy rooms have twin beds, closets, and plentiful desk space. Both male and female students are housed in this winterized dorm. The sandpit volleyball court is located next to Spruce and is the home of the annual volleyball tournament.