With over 20 years of experience Dana Point Shell offers low gas prices, complete auto repair service and full service at self-serve prices. Generalized motors certified technician on duty, mini mart with snacks, soda and beer. Satisfaction guaranteed. With over 20 years of experience Dana Point Shell offers low gas prices, complete auto repair service and full service at self-serve prices. Generalized motors certified technician on duty, mini mart with snacks, soda and beer. Satisfaction guaranteed.