In this thezis is being studied an defines the concept of ethics, business ethics, family accommodation, an ethical codex in tourism and applying the code of ethics on the example of the family accommodation of island of Hvar. We are aware oft he fact that globalization affects the entire economic system, so it also affects tourisam. Therefore is it curcial introduction of business by ethical principles, because it is business ethics precondition for successfully business and indispensable part of business practice. Family accommodation renter are not very inform with concept of ethics and ethical business, thay make their own business decision consistent with motives, desire and interest. It sometimes brings them to the situation where they are acting unethically. Renters who want to position on the market with recognition they should not be separated busines by ethical principles from the desire to realize profitability, they need coordinate ethich in to their business wich will show positive results in the future. In a business where the low and ethics are not respected it can cause damage to the renter, his reputation, damage to local and tourist community and it reflects on a complete picture of Croatian tourisam. It is important to accent that every renter of family accommodation must be educated and thay need to know the concept of ethics, operate with ethical principles, thay must be an example of good host and thay need be the host who is in the first place satisfied guest. Giving attention to business with ethical principles renter takes direct postion precedence over other renter family accommodation which does not metter ethical principles in their business. Where ethical principle are implemented success is guaranteed and progress is expected, the level of services qulity increases, the reputation is increasing, recognation and the importance of sustainable tourism. In first part of thezis brefly presented basic ethical concepts an business etichs. In the second part presented family accommodation and his importante for croatian tourism. In the thezis delas with the theme of Global etich tourisam and his application. In the end of the thezis a questionnaire was conducted and presented the results about application of ethical principles in the family accommodation of the island of Hvar.