From its own website

Monarch Grove Winery Tasting Room

Winery in Grover Beach, California

252 W Grand Ave, Grover Beach, CA 93433

Dogs

What Monarch Grove Winery Tasting Room says about dogs

Dogs allowed: Yes
From its own website, checked 5 Nov 2026monarchgrovewinery.com(source page for Dogs allowed, opens in a new tab)
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“Well-behaved dogs on a leash are welcome.”
Where dogs can go: Not stated

Informational only. Rules change, so check with the winery before you go.