Carnelian Bay is an unincorporated town located on the shore of Lake Tahoe in Placer County, California, in the United States, and has a population of 876. Nearby cities and towns include: Tahoe Vista, Brockway, Kings Beach, Crystal Bay, Incline Village, Truckee, Tahoma, Homewood, and Floriston. Its ZIP code is 96140 and its area code 530.