Seven Crown Resorts is one of the largest houseboat rental vacation companies in the U.S. and we're committed to giving you t ... he best facilities and the most attractive rates anywhere. We offer houseboat vacations on Lake Shasta in Northern California and the California Delta in the state's Central Valley. In addition to houseboat rentals, we offer a variety of small boats for fishing, skiing and other recreational activities, marina services, and at some locations restaurants, lodging and RV sites. read more