Costco’s May 2026 lineup is packed with seasonal buzz, from summer-ready treats and easy breakfast finds to high-protein snacks, refreshing drinks, kitchen upgrades, and outdoor essentials. Shoppers are spotting limited-time arrivals, regional rollouts, and savings-book deals that are already creating major warehouse excitement.
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Frozen Treats & Desserts
Jeni’s Key Lime Pie Ice Cream Sandwiches $14.49
- 8-count box of tart key lime pie ice cream between graham cracker cookies; Costco-exclusive flavor.
- Spotted early May 2026 in freezer aisles nationwide; heavy Reddit/Instagram buzz as a limited spring treat.
Nightingale Brookie Dough Ice Cream Sandwiches $14.99
- 12-pack “chomp size” with scratch-baked brookie cookies and 14% butterfat ice cream.
- Limited rollout spotted May 2026 (Bay Area first); fans are begging for more regions.
Lindt Lindor Ice Cream Truffles $16.99
- 20 oz bag of milk/white chocolate truffles in Neapolitan, fudge swirl, cookies & crème flavors.
- New freezer indulgence spotted May 2026; perfect summer heat-beater.
GoodPop Fruit Sours $12.99
- Costco-exclusive 16-pack sour-coated pops (Melon, Green Apple, Lemonade) with real fruit base.
- Rolling out May 2026 (Bay Area → LA → Northeast); parents calling it a must-grab.
Kirkland Signature Strawberry Cream Pie $18.99
- 3 lb seasonal pie with graham crust, strawberry jam, cream cheese, and whipped topping (serves 8–10).
- New bakery/freezer hybrid spotted early May 2026; viral in hauls.
Kinder Bueno Ice Cream Tubs & Cones ~$10 (3-pack tubs)
- Hazelnut-chocolate frozen treats with wafer pieces and signature candy center.
- New freezer item spotted May 2026; Redditors renewing memberships just for it.
Bakery & Breakfast Items
Blueberry Sourdough Loaf $8.99
- Tangy sourdough bread studded with sweet blueberries; great for breakfast or grilled cheese.
- Bakery section new arrival spotted May 2026; Redditors already experimenting with recipes.
Gen Bake Old Fashioned Lemon Donut Bites $9.49
- 34 oz box of lightly frosted lemon donut bites with tangy edge.
- Bakery fresh find highlighted in May 2026 hauls.
Three Wishes Cinnamon Cereal 2-Pack $9.89
- Gluten-free, grain-free, 8g protein per serving cinnamon cereal (new packaging).
- Spotted May 2026 in Western states (San Diego–Colorado); high-protein breakfast buzz.
Mini Pineapple Upside Down Cakes $13.99
- 6-pack microwave-ready individual cakes.
- New bakery item spotted early May 2026 in multiple California warehouses.
Cinnamon Buns with Irish Butter $12.99
- Pull-apart cinnamon buns featuring Irish butter.
- Fresh bakery release spotted early May 2026.
Snacks & Protein Foods
Once Upon a Farm Immunity Blends 12-Pack $19.99
- Organic no-sugar pouches (Mango Banana Spirulina + Pineapple Banana Dragon Fruit).
- Nationwide refrigerated launch early May 2026; parents stocking up.
Teton Waters Ranch Jalapeño Cheddar Brats $18.99–$20
- 12-count 100% grass-fed beef brats (3 packs); fully cooked, no casing.
- Midwest now + LA rollout May 2026; grilling season favorite.
SimplyProtein Sea Salt Protein Tortilla Chips $9.98
- 15 oz bag of high-protein restaurant-style chips.
- Limited Northeast stock through end of May 2026.
Bobo’s PB&J Oat Bar Variety Pack $19.99
- 20-count gluten-free, dairy-free strawberry & raspberry oat bars.
- On-the-go snack pack spotted May 2026.
Amylu Country Style Chicken Sausage Breakfast Bites $13.59
- 40 oz bag of ready-to-heat bites.
- New frozen protein find spotted early May 2026.
Beverages
Olipop Soda Spring Variety Pack $23.99
- 15 cans limited-edition prebiotic sodas (Shirley Temple, raspberry sherbet, strawberry vanilla).
- Pastel spring packaging buzzing May 2026.
Poppi Soda Variety Packs $23.49–$26.49
- Juicy Faves (Strawberry Lemon/Orange/Raspberry Rose) or Everyday Icons (15–18 cans).
- Prebiotic soda multipacks gaining traction May 2026.
DeeBee’s SuperJuice Prebiotic Juice Boxes $13.99
- 36-pack organic no-added-sugar boxes (Fruit Punch, Strawberry Lemonade, Apple) with prebiotics + vitamin C.
- Rollout May–July 2026 across regions.
Nello Superfocus Drink Mix $32.99 (on sale from $39.99)
- 26 travel sachets (fruit punch + blue raspberry) with caffeine, L-theanine & lion’s mane.
- Health-focused energy mix spotted early May 2026.
Spindrift Sparkling Water 24-Pack (sale price)
- Real-fruit flavored sparkling water; major savings book highlight.
- Redditors stocking 10–12 cases in May 2026 Savings Book.
Kitchen & Home Goods
7-Piece Melamine Lazy Susan with Cover $15
- Black or blue serving set with 6 removable inserts + lid; perfect for parties.
- New kitchen arrival spotted May 2026.
Cuisinart 4-in-1 Expandable Prep & Serve Tub $14.99
- Collapsible marinade/cutting board/serving tray/drink chiller.
- New arrival in May 2026 hauls.
Nordicware Deluxe Kettle Smoker $69.99–$79.99
- Includes 5 wood chip varieties, built-in thermometer; stovetop or grill use.
- New gadget featured in May 2026 videos/articles.
Our Place Induction Plate + Perfect Pot $119.99–$120 (limited online discount)
- Bundle with hot grips & spoon; 5 cooking modes.
- Online-only deal until May 10, 2026; small-space cooking buzz.
Tiger Rice Cooker (5.5 cup) $80 (sale, $20 off)
- 10 menu settings including quick cook, brown rice, porridge & steam.
- On sale through May 31, 2026; popular in new arrivals.
Outdoor, Seasonal & Deals
Weber Genesis C-335E Gas Grill ~$110 off
- Large grilling surface + side burner; new barbecue centerpiece.
- Online discount active May 2026 through May 12.
10-ft Family Lounge Pool $34.99 ($12.50 off)
- Inflatable pool with bench, cup holders & backrest.
- Seasonal summer item spotted early May 2026 (sale through May 10).
Scoop Away Cat Litter 44 lb (major savings book discount)
- Popular clumping litter; limits noted but stock-up frenzy.
- Top comment excitement in May 2026 Savings Book preview.
Chocolate Rose Bouquet $79.99 (sale from $99.99)
- 27 Belgian chocolate roses (milk, white, pink) in gift box; Mother’s Day twist.
- Limited early May 2026 online/in-store promotion.
