
Gundlach Bundschu
California's sixth-oldest winery, making wine continuously since 1858 on Rhinefarm.
Planning a group wine tasting in Sonoma Valley? Whether it's a bachelorette party, birthday celebration, or friends' trip, the best group-friendly wineries offer walk-in availability, spacious tasting rooms, and a lively atmosphere that welcomes larger parties.
The wineries below welcome walk-in visitors, which means they're naturally set up for groups — no coordinating reservations for 10+ people. Many have outdoor patios, lawn games, and casual vibes perfect for celebrations.
Sorted by rating — verified wineries appear first.

California's sixth-oldest winery, making wine continuously since 1858 on Rhinefarm.

Joe Martin planted his first vines here in 1971, and St. Francis now farms over 400 certified sustainable acres.

Andrew and Adam Mariani farm their family's original 1858 Sonoma land as Scribe Winery.

Imagery Estate Winery bottles Malbec, Tempranillo, and Lagrein instead of Cabernet.

Five generations of Kundes farm 1,850 acres of estate vineyard in Kenwood.

California's oldest premium winery, founded in 1857 by Count Agoston Haraszthy.

Benziger produced Sonoma County's first Demeter-certified Biodynamic wine in 1995.

Bartholomew Park's 1922 mission-style building opened as a winery in April 2019 on Agoston Haraszthy's 1857 estate.

A 120-year-old Sonoma producer where antique redwood tanks still stand in the barrel room.
Build a custom itinerary with these wineries — add tastings, lunch, and travel time to create your perfect day.
Plan Your Trip
InnFive guest rooms above a three-Michelin-star restaurant in downtown Healdsburg.
HotelEight bungalows with gourmet kitchens sit a few minutes' walk from Sonoma Plaza.
HotelVictorian manor on eight acres, with private bungalows and porch views of western vineyards.
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