For accommodation of outstation students, NIT Sikkim has boys hostels. The rooms of boys hostels are spacious and ventilated. For the convenience of students, basic facilities like mess, furnished rooms etc. are available at boys hostels.

NIT Sikkim has individual hostels for girls. Girls hostels are well-furnished and offer a comfortable environment for students. All basic facilities are available at each girls hostel.

The institute is still working on setting up a well equipped and digitized library. However, currently, they offer a normal library for student's academic learning and reference purposes.

The campus has facilities for indoor and outdoor sports. The university conducts sports events at regular intervals. Students are encouraged to participate in sports events so that they can stay fit and healthy.

The university provides emergency and primary health care to all its students round the clock. The medical unit is on campus and is accessible from the residential buildings as well as the medical buildings. Apart from that, students can also visit a local primary health care provider, just 3km from the campus. A district hospital is also in close proximity, in case students are required to go.

This university is the home to a PARAM Kanchenjunga supercomputer that the students often use. It is the fastest supercomputer across all the NITs. Costing almost ₹ 3 crores, it was built in collaboration with the Centre for Development of Advanced Computing, in 2016.