Here are a couple of options for hotels that are close to the venue. Of course these are just suggestions, there are a lot more places to stay for you to choose from, and plenty of Airbnbs too if you prefer!
You also can stay at the venue!
(The location of the Ceremony and Reception)
Boutique hotel in Downtown Napa. Appx. 10 minute drive to Carneros Resort
Appx. 10 min drive to Carneros Resort
Appx. 15 minute drive from Carneros Resort
Appx. 8 minute drive to Carneros Resort