Moderator, Marriott Bonvoy & FlyerTalk Evangelist
Join Date: Oct 2002
Location: McKinney, TX, USA
Programs: United Silver; AA Plat/2MM; Marriott LT Titanium; Hilton Gold
Posts: 11,727
There shouldn't be any issue with making one reservation for two nights. But for this to work, you don't want the online reservation tool to order the award cert for you as it would pull the point needed for a 2 night award. You will need to call MR and have them order you a 1-night e-cert.