A Dissertation Submitted to the Institute of Development Studies in Partial Fulfillment of the Requirements for Award of a Master of Science Degree in Development Policy (MSc. DP) of Mzumbe University.This study aimed at examining the effectiveness of the Constituency Development Catalyst Fund in reduction of non-income poverty in Zanzibar, in which Dole Constituency was used as a case study. This study specifically focused on revealing: the community awareness on the CDCF, the social services (facilities) supported by the CDCF projects in Dole constituency, the effectiveness of the CDCF supported facilities in delivery of services and the challenges facing the CDCF in achieving its goal. The study applied a case study design, which targeted community members in Dole constituency, as the major beneficiaries of the CDCF funded projects in their constituency. A sample size of 122 respondents was drawn by using purposive, simple random and complex systematic sampling techniques. Questionnaire, Interview and Observation methods were applied in collection of primary data, whereas documentary review method was adopted for collecting secondary data. The collected data were analysed by using the Statistical Package for Social Sciences (SPSS) version 15, Excel Software and Content Analysis then presented in tables, figures and texts. The study revealed that, community awareness on CDCF in Dole constituency was relatively low; about 87.1 percent of the respondents were not aware of the CDCF. The CDCF supported services in Dole were less effective due to limited access, limited budget and poor qualities of the services provided as shown in figure 4.2. Furthermore, the study revealed that there was a variety of social services supported by CDCF, but encountered by challenges such as; transparency in CDCF operation, low people’s participation, low awareness, dominance of political interests in fund allocation and weak CDCF Committee and Operational law. The study recommendations include: increasing Dole community awareness through social education on the fund, increasing CDCF effectiveness in delivery of services to Dole people, and control mechanism of the revealed CDCF challenges such as; political influence on the CDCF operation, amendment of the CDCF law, and raising CDCF budget.