VineRGy is located at the Wine Valley Inn 

1206 Wine Country Rd
Prosser, WA 99350
Call for reservations: 509-786-2555, mention Mensa for group rate.

Other area motels:

Barn Motor Inn
490 Wine Country Rd, Prosser, WA 99350
(509) 786-1131

Best Western Plus the Inn at Horse Heaven
259 Merlot Dr, Prosser WA 99350
(509) 786-7977