The basic feature of mineral waters is the amount of dissolved mineral matter that is greater than 1g/l. Current knowledge about the mineral waters of the Republic of Croatia enables their categorization according to ionic and specific composition, available quantity and current use. Mineral waters in Croatia are divided into: acid, sulphurous and iron waters. Particularly significant are the highly mineralized waters in the north, center and east parts of Croatia, which are partially used for medical and recreational purposes. In northern Croatia, there are several sources of water enriched with mineral ingredients that come from the leaching of the deposits they pass through: Apatovec, Jamnica and Lasinja (they contain more than 1 g/L CO2, so they are classified as sour waters). There are also thermo-mineral springs, such as Lipik, Varaždinske Toplice, etc. It should be noted that the water from Varaždinske Toplice only approaches the value of 1 g/L of water in terms of total mineralization. Salt waters are often found in areas rich in oil and gas deposits and are used primarily for health and recreational purposes. This paper provides an overview of mineral waters throughout Croatia, highlighting their history and contemporary use. Furthermore, paper explores various sources of high mineralization with potential for economic development. The goal is to direct these findings towards the economic progress of the continental part of Croatia, especially in areas insufficiently explored for their potential value in health tourism, recreation, and geological and ecological heritage.