The paper lists the customs of the people of Kaštela who celebrated Catholic holidays. Since ancient times, the people of Kaštela based their traditions related to church customs and beliefs on their Christian faith. Thus, over the course of the year, Catholic holidays and the memories of various importa nt saints are celebrated. The majority of surviving traditions are Christmas and Easter customs related to the following saints: St. George, St. Mark, St. Anthony and St. John the Baptist. In these saints the folk sought consolation and a better life, devo id of adversity. Futher proof of the religiosity of the people of Kaštela can be seen in the multitude of sacral buildings and rituals devoted to the Virgin Mary. The paper focuses on the area of Kaštela, abounding in shrines and local patrons. It also foc uses on the customs performed specifically during Catholic holidays. Given the insufficiency of the scientific bibliography on the religious folk customs of Kaštela, the paper also provides and interprets authentic voice recordings which have been collecte d in the field in the area of Kaštela. Interviewees of various ages have given accounts of the social reality, ancestral customs and the historical traditions. These accounts have been compared with the referenced sources, which confirm that they are indee d documentable and factual. A multitude of old customs were mainained in Kaštela in the past. Some of them have either disappeared completely or changed by assimilating modern charactetistics. Also, a large part has sadly been lost to history. A high exten t of the traditional customs was closely related to religous life and this connection provided them with a special spirit.