The water supply for all of Los Cabos is piped from aquifers in the Sierra de La Laguna range. All major hotels and restaurants have purified water. Bottled water is available in tourist areas. The water here is very pure, but be careful. The pipes used for distribution of the water supply and other factors can lead to contamination. Although many people drink the water directly from the tap, it is not recommended. Anywhere in the world a change in drinking water can cause stomach distress. We recommend that you drink only bottled or purified water. If there is any doubt in your mind, do not hesitate to ask for purified water "Agua Purificada" or bottled water.