A business plan for renting an Istrian kažun has long existed as an idea. The main purpose and goal of this final dissertation is to investigate the feasibility and justification of investing in a new entrepreneurial venture on the project of renting Istrian kažuns. Also, the goal is to show the profitability of the investment and the time period for returning funds invested between the start of the project to its realization. As a subject of research, a business plan is drawn up as well as an analysis all important aspects and factors implied in starting a family business. The research was cinducted online, also using a web questionnaire designed for this purpose, in order to examine whether the interest of potential and future users for such a unique type of accommodation exists. The business plan for renting Istrian kažuns i san investment worth HRK 611.000 and the entrepreneur has estimated the business projection for the first five years. In the tourism sector there is great competition. A special and different from of tourist offer presented in the plan is a competitive advantage for entrepreneurs. In the business plan, a detailed financial plan has been elaborate din which it is stated that the entrepreneur has the largest investment in fixed assets to build the ten planned kažuns/apartments required for starting the business. The entrepreneur will be financed partly from the loans of commercial banks and partly from his own savings. After the profit and loss account was green-lighted, the entrepreneur was devoted to assessing the effects of this entrepreneurial venture. By studying the plans financial projections and assessing its feasibility, the entrepreneur realizes that the project will bring profitable results. Investment returns are wxpected in 3 years, 10 months and 7 days. Also, in the performance assessment, the net present value of the project at a discount of 10% is HRK 287.697. In calculating the internal rate of profitability, it was concluded that the net present value is positive up to the discount factor of 24%. The internal profitability rate is 1.47. Financial indicators are even more motivating to the entrepreneur. He is aware that every venture also carries certain risks. Filip has predicted his risks and strategies and will know how to deal with them. This business plan has pointed to all the features that provide a good business idea and its quality development.