Book a 3-night stay in a houseboat from Bridge Bay at Shasta Lake in California with prices from $989 at Travelzoo. We found the best prices on stays 6/1-10/10 in a cascade houseboat which holds up to 8 people. Summit houseboats start at $1,299 and hold up to 10 people. The offer includes a $150 gas credit. Need to cancel? Do so within 14 days of purchasing the voucher for a refund. After 14 days, the voucher is nonrefundable. Once you've booked your dates, you can change them with Bridge Bay up to 45 days prior to arrival. Taxes, fees, and exclusions apply.