Introduction: Proper utilization of LLINs for under five years children prevents malaria episodes and reduces malaria related morbidity and mortality in the community. The main objective of this evaluation was to evaluate the contribution of LLINs uses in prevention of malaria for children below five years in West district Zanzibar; while the specific objectives were: to assess level of LLINs utilization for under five years children in West district, to assess community knowledge and attitude towards utilization of Long Lasting Insecticide Nets ( LLINs) for prevention of malaria in under five children, and to assess modality used by the programme on distribution of LLINs in the community. Method: Descriptive quantitative and qualitative methods were used with a sample size of 151 study respondents of which 141 were household members, six health care providers, two District Health Management Team members and two community leaders. Results: The study sample was 141, of which 58.16 percent were married, and 37.59 percent had attained primary education whereby 29.79 percent had no formal education. It was also noted that only 4.26 percent were government employees and 30.50 percent were self-employed, the remaining had no reliable employment. The study findings showed that there is high coverage of LLINs among the community members including children under five years of age. This is associated with good availability of nets from different sources like 44.68 percent free distribution from community leaders (sheha), while 25.53 percent obtained their bed nets from health facilities etc. The utilization of LLINs is well accepted by majority of the community as it was the reliable barriers to protect against mosquitoes bites and prevention of malaria. About 97 percent of the respondents were using LLINs while 99 percent of under five children slept under LLINs. Conclusion: This study found that malaria prevention strategy using LLINs in the community for under five children is well realized, as it is one among the strong contributory factors to reducing malaria transmission among this population. Moreover, the community appreciate the use of LLINs as it is averts under five malaria related morbidity and mortality.