Yes, you can !!!
1: The Boardwalk View at Boardwalk Villas is a guaranteed view. If you can reserve this category of view it will be guaranteed on your confirmation reservation.
2: All Boardwalk View villas at Boardwalk Villas are non-smokeing villas. There are no smokeing-optional villas with a Boardwalk View. That includes all the studios, all the 1 bedrooms, all the 2 bedrooms and all the 3 bedroom Grand Villas.
So if you can reserve a guaranteed Boardwalk View villa, you will be guaranteed a non-smokeing villa.
Dumbo