# Costco membership promotions and wine expansion

> Live situation record from CLSTR: https://clstr.news/situations/costco-membership-promotions-and-wine-expansion
> Updated: 2026-09-10T21:28:20.000Z. Sources: 4. Developments: 2.

Costco has implemented promotional membership deals, offering Costco.com credits for Gold Star and Executive memberships. Alongside these promotions, the retailer is expanding its wine selection by leveraging global surpluses to provide curated options through its Kirkland Signature program.

Recent additions to the wine inventory include the Kirkland Signature Columbia Valley Cabernet Sauvignon, a Washington State product aged in oak barrels, and a four-bottle Grands Vins de Bordeaux collection. Some bottles within the Bordeaux set have received ratings of 90 points or higher from Wine Enthusiast.

## Timeline

### 2026-09-10: Costco introduces new wine selections including Kirkland Signature and Bordeaux sets

Costco has released new wine selections, including Kirkland Signature Columbia Valley Cabernet Sauvignon and a four-bottle Grands Vins de Bordeaux collection.

2 sources. https://clstr.news/cluster/costco-introduces-new-wine-selections-including-kirkland-signature-and-bordeaux-sets

### 2026-09-08: Costco offers new membership deals and expands wine selection

Costco is offering promotional credits for new membership sign-ups while continuing to expand its presence in the wine market through its Kirkland Signature program and boutique selections.

3 sources. https://clstr.news/cluster/costco-offers-new-membership-deals-and-expands-wine-selection

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Cite as: Costco membership promotions and wine expansion. CLSTR, https://clstr.news/situations/costco-membership-promotions-and-wine-expansion