From its own website

Marrowstone Vineyards

Winery in Nordland, Washington

423 Meade Rd, Nordland, WA 98358-9618

Dogs

What Marrowstone Vineyards says about dogs

Dogs allowed: Yes
From its own website, checked 5 Nov 2026marrowstonevineyards.com(source page for Dogs allowed, opens in a new tab)
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“"Are dogs welcome?"”
Where dogs can go: Not stated

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