This is the most common method. By using the Instacart website or app, you can shop the alcohol inventory of your local warehouse.

Buying wine from Costco without wandering through its massive warehouse aisles is indeed possible, though the "how" depends heavily on your location and how quickly you need that bottle of Kirkland Signature Malbec. While Costco doesn’t operate a traditional national direct-to-consumer shipping service for alcohol like it does for vitamins or electronics, it has adapted to the digital age through partnerships and specialized local programs. The Evolution of Costco’s Online Wine Sales

In certain markets, you can also find Costco Beer, Wine & Spirits listed on the Uber Eats platform for local delivery.

If you want to know what’s in stock before you order, the Costco Mobile App now features a "Warehouse" tab that allows you to search the specific inventory of your local store.