The May 26th Costco Weekly Insider Deals are a day late due to the Memorial Day holiday, but we’ll take them! This weeks Costco coupons run from May 26th through May 31st. Of course there are various end dates on some of the deals, such as June 7th, June 14th and June 21st. You’ve also got the May 2026 Costco Coupon Book running during this week. If you want to get notified as soon as we release the upcoming Costco June 2026 Coupon Book then make sure to sign up for our email list, follow us on Instagram and Like us on Facebook!

The featured Costco bakery item is the Kirkland Signature Peaches and Cream Bar Cake. Have you tried it yet? If so, what did you think? The new Kirkland Signature Sport Drink Variety Pack is interesting as they have no artificial colors, which is great. The Truly Grass-Fed Salted Creamy Butter is good and at roughly 22% off, makes it a good time to try it if you haven’t. The Outshine Fruit Bar Variety pack with Pineapple, Mango and Watermelon make a great start to the summer at $2.50 off.

Some Costco locations may not have these items. Pricing may vary by location in Alaska, Hawaii, Puerto Rico and online. Some items are available online for a delivered price. How you feeling about this short weeks deals? Anything that caught your eye? Leave a comment and let us know!

Here’s a few of the deals in the Costco May 26th 2026 Weekly Insider Deals:

• Kirkland Signature Peaches and Cream Bar Cake $17.99
• New Item – Kirkland Signature Sport Drink Variety Pack, 12 fl oz, 24-Count $9.99
• Outshine Fruit Bar Variety, 36-Count $9.99 – $2.50 off = $7.49
• Dr. Groot Scalp Revitalizing Shampoo AND/OR Conditioner, 2-Pack $10 – $12 off
• Kirkland Signature Stuffed Bell Peppers with Ground Beef and Rice $4.99 per lb
• Ziploc Slider Storage Bag, Variety Pack, 144-Count $2.60 off
• Truly Grass-Fed Salted Creamy Butter, 8 oz, 4-count $13.99 – $3 off = $10.99
• Sonos Arc Ultra 9.1.4 Ch Soundbar Bundle $1099.99 – $200 off = $899.99
• Degree Men’s Max Protection 3 in 1 Fresh Dry Spray, 4.8 oz, 4-Pack $10 off
• Dove Men +Care Body and Face Wash, 32 fl oz, 2-Pack $3.50 off
• and more…