If you booked a package deal through LEGOLAND Vacations that included admission, then yes. There is an option to book a room without tickets, so be sure and read all details of your stay before making your purchase to ensure you purchase the right deal for you.
LEGOLAND California Hotel and Partner Hotel Guests, who have purchased their tickets as part of their LEGOLAND Vacations Package are NOT required to make a park reservation. Entry to LEGOLAND California Theme Park is GUARANTEED. Your tickets are valid for use for 3 days from first visit date.
Guest's who have NOT purchased tickets as part of their LEGOLAND Vacations Package, will still be required to make separate Theme Park Reservations.