Hotel
Room options at the Hilton Garden Inn include both single king and double queen rooms. Rates include breakfast for up to 4 people per room at the on-site restaurant. Book by May 1st to get the room block rate of $164/night.
Discount Code - FPW526
Hotel
Rooms at the Residence Inn are all studio kings with a sofa bed. These rooms include a full kitchen and sitting area. Book by April 29th to get the room block rate of $210/night.
Discount Code - FPW (for phone bookings)
Train
If you are staying at one of these hotels and are looking to skip the rental car (and rideshare), there are train options that can get you right to Olde Town Arvada. The A line takes you from the Airport to Denver's Union Station; The G line takes you from Union Station to Olde Town Arvada. An "Airport Day Pass" should run you $10.