Economic activity, according to the Islamic view is an activity that can provide good information to everyone or society. It is hoped that with this economy, the prosperity and welfare of the community can be achieved and the benefits felt. The Islamic economy upholds social values; where there is no difference in status, everyone has the right to get and feel a desire and to be creative. Basically, the principle of sharia economy is to attach importance to the benefit of the people, not mudharat, so the real purpose of the Islamic economy is to avoid chaos and chaos. We know that almost all countries with complete control over the economy are the governments of those countries. Sharia property emerged as a choice for the community, especially for those who want to buy a house or invest, making people, especially Muslims, feel much more comfortable because they can avoid usury which is prohibited in Islam.   Sharia property investment is a property investment carried out based on rules following religious rules, where everything you do must be appropriate, including purchasing a house that will be used for investment. This study aims to determine how the basic concepts of Islamic economics are applied to the effectiveness of Islamic property companies. This research is a qualitative study, where the focus of this research examines the application of the Islamic economic system to Sharia property. This research was conducted on companies engaged in sharia property in Makassar City. The population of this study is all sharia properties in Makassar City, located in approximately 17 companies. Using the purposive sampling method, the number of samples is as many as four sharia property companies.