A public library is where valuable information or materials are maintained and preserved, whether in printed or electronic form. In the general public's view, a library is no longer just a storage facility for books. It has evolved into an integrated community centre that offers a variety of events. In recent years, Malaysian public libraries have been working on constructing a better library with an ideal interior environment in line with those in other developed countries. However, the success of the public library design will depend on the users themselves. This is due to the fact that certain perceptions exist, and each perception may be different from one user to the others when using the public library. In addition, this also extends to the public library, whether its design meets the needs of the users or not. Thus, Sarawak State Library located at Sibu is chosen as it has been observed that many users, particularly the youths, are utilising it. Therefore, this research aims to explore youths' perceptions as users on the attributes of Sarawak State Library, Sibu. This qualitative research was conducted through laddering interviews using purposive sampling. With that, content analysis method was applied to analyse all the data gathered from sixty respondents. A total of eleven attributes are identified namely quietness, good environment, many books, free Wi-Fi, comfortable furniture, good lighting, charging ports, air-conditioning, spacious, computer, and window views. Meanwhile, five rationales governing the youths' perceptions are derived from the eleven identified attributes, including good outcome, achievement, future assurance, sense of well-being, and health. The findings obtained from this research will help to provide insights for architects or designers in developing a better and more successful public library environment.