The University has three Libraries. The main Library located in Belihuloya, mainly serves the needs of the faculties of Social Sciences & Languages,Geomatics and Applied Sciences. Agricultural Sciences and Management Studies faculties have their own libraries.
The library has received the code of practice for food hygiene, issued by the Sri Lanka Standards Institute.
The Library of SUSL has received 48 books as a donation from the Ramakrishna Mission (Ceylon Branch), Colombo.
The library has recently subscribed to the online version of the Journal of Surveying Engineering. Print copy is also available in the Main library.