Skip the Costco Run! Custom Cakes Can Now Be Delivered w/ Instacart

By Cara | Staff Writer

Aug 27, 2026 @ 12:08 PM MDT

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Planning a party just got a whole lot easier for Costco shoppers! For the first time ever, Costco’s popular custom cakes and party platters are now available for delivery nationwide through Costco Same-Day and Instacart. That means you can order the party food without making an extra warehouse run!

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Choose from custom half-sheet cakes and 10-inch round cakes, plus party favorites like sandwich platters, shrimp trays, fruit platters, and more.

costco custom cake

Even better, Costco’s custom cakes can be personalized online with your choice of design, flavor, writing, and writing color. Just be sure to plan ahead, as custom cakes require at least 72 hours of prep time before they can be delivered.

Keep in mind that Costco Same-Day prices are higher than in-warehouse prices to cover service and delivery fees, and a $35 minimum order applies.

Between the cake, party platters, and your regular Costco groceries, you can knock out a big chunk of your party prep without ever leaving home!

Looking to save even more on your next grocery run? 🛒 Check out all of our latest grocery deals!

About the writer:

Cara is a deal-loving writer with over two decades of experience across a variety of publications and digital platforms. She now creates fun, high-performing deal content readers love to click at Hip2Save.