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15 Random (But Genius) Costco Summer Finds Under $30

These sizzling deals are the season's best bargains.

random but genius costco summer finds featured image
Updated July 15, 2025
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Summer is here, and that means you're ready for pool days, beach getaways, backyard barbecues, and endless outdoor adventures.

At least, you're almost ready. You still need to stock up on seasonal staples. Don't worry about overpaying for these essential items. We've got you covered with the best Costco hacks for saving money on everything from sunscreen to sweet treats.

Our roundup features the hottest buys from the warehouse club for $30 and under.

Editor's note: Prices and availability are subject to change and may vary by location.

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Titan 40-Can Collapsible Cooler

collapsible cooler

Price: $29.99

Save space and money with this collapsible cooler. Don't lug around large, rigid plastic packs. This 40-can insulated tote folds flat for easy storage. As a bonus, the lid transforms into a two-cup tray.

Banana Boat Sport Sunscreen

banana boat sport sunscreen

Price: $11.99 (on sale from $15.99)

Protect your skin from the sun's damaging rays and nab this two-count of brand-name SPF 50 lotion. The sweat- and water-resistant formula (up to 80 minutes) is also oxybenzone-free.

At $11.99 for 20 ounces total, this deal is a steal. For reference, Target sells eight ounces of Banana Boat's Ultra Sport SPF 50 Lotion for $8.99.

Greg Norman Men's Polo

mens polo

Price: $18.99

Refresh your summer wardrobe with this stylish selection. The name-brand buy has a casual look that you can wear on the links, out to dinner, or almost anywhere. Pair this polo top with khakis, athletic shorts, cargos, or jeans.

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Fouta Beach Towels

fouta beach towels

Price: $9.99

Prep for pool days and beach trips. Costco recently stocked these 40-by-72-inch cotton towels. Select from a range of vibrant colors, pastel patterns, and classic prints to complement your summer style.

Shopping pro tip: This month's best deals

imtmphoto/Adobe woman with shopping bags at mall

July is in full swing, bringing the height of summer. That also means peak season for hot deals and unbeatable savings. Now’s the time to save big on:

  • Grills, coolers, and outdoor living upgrades
  • Travel must-haves for road trips and beach days
  • Swimwear and summer fashion
  • For grocery savings, grab seasonal produce like watermelon, peaches, and tomatoes

While you're enjoying the sunshine, retailers are quietly making room for back-to-school inventory. That makes July a prime opportunity to scoop up summer favorites while the deals are still blazing.

Kirkland Signature Men's Athletic Socks

mens athletic socks

Price: $14.99

Keep your feet comfortable all summer long. Kirkland's eight-pack of athletic socks is moisture-wicking, features a reinforced heel and toe, and has a smooth finish seam, fitting men's shoe sizes eight through 12. Compare Costco's budget-friendly price to a six-pack of Adidas Men's Crew Socks, $22, at Kohl's.

Sunday Afternoons Wide Brim Hat

afternoons wide brim hat

Price: $14.99

Sunscreen isn't the only way to protect your skin during outdoor adventures. Shade your face in this UPF 50+ adjustable hat. 

What do shoppers have to say about this fashionable find? Costco customer Joycedh raved, "Great hat! Easily packs for travel and holds up well."

Kirkland Signature Sports Drink

sports drink

Price: $11.99

Stay hydrated on a hot summer day. This Gatorade dupe is an affordable alternative to the brand-name buy. Get eight orange, eight blue raspberry, and eight fruit punch (20-ounce size) flavors for less than $12. A smaller 18-pack of Gatorade's 12-ounce bottles costs $12.39 at Target.

Oceanic Swim Goggles

swim googles

Price: $19.99

Snag this three-pack of brand-name goggles and swim in comfort. Must-have features include hypoallergenic materials, anti-fog technology, optical-grade lenses, and UV protection. A pinch-button side buckle makes it easy to create a custom fit, and the silicone split straps prevent slips.

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Titan High Performance Ice Packs

high performance ice packs

Price: $19.99

Score this 10-count box for under $20. Keep bottled water, cans of soda, fresh fruit, salads, and more cold for up to eight hours (depending on the size) longer than ice. Each combo pack includes four 250g sizes, four 600g sizes, and two ice mats.

Deep Woods Off!

deep woods off

Price: $18.99

Biting bugs can ruin your summer nights and camping trips. Repel mosquitoes, ticks, biting flies, and fleas with this 25 percent DEET dry-touch spray. For $18.99, you'll get one four-ounce and two six-ounce bottles. A single four-ounce size costs $9.29 at Target.

Kirkland Signature Golf Balls

golf balls

Price: $29.99

Headed on a golf vacation this summer? Costco's private label line of products currently includes a 24-pack of three-piece urethane cover balls for $29.99. 

Save serious cash over well-known brand names like Callaway ($54.99 for one box of Chrome Tour balls from Dick's Sporting Goods).

Hobie Polarized Sunglasses

polarized sunglasses

Price: $29.99

Hit the beach in these stylish sunnies. The polarized pair reduces glare from reflected lights and improves visibility. It's a bargain for under $30 compared to designer polarized glasses, such as Ray-Bans, which can cost almost 10 times more.

Quick tips: How to save on your grocery bill

pawczar/Adobe woman buying fruits at grocery store

Grocery shopping doesn't have to break the bank when you use the right strategies. Here are three quick tips for reducing food expenses:

  • Buy store brands instead of name brands whenever possible.
  • Always make sure to compare unit prices, not just sticker prices.
  • Join your store's loyalty program so you don’t miss out on member discounts.

Even though something like choosing coupons in your grocery store app can feel like an annoying task, the savings can really add up.

ThermoFlasks

thermoflasks

Price: $29.99

Pass on single-use plastic water bottles. Now you can save money and the planet. These reusable 40-ounce "flasks" keep drinks cold for up to 24 hours, have a leak-proof spout lid, and are dishwasher-safe. Check your local Costco club for the best deal. We spotted this stainless steel pair for $19.99.

Gilette Venus Sensitive Plus Razors

sensitive plus razors

Price: $24.99

Bathing suit and shorts season is here. And these razors will leave your legs smooth and hair-free. A hydrating "lubrastrip" and aloe moisturize and nourish sensitive skin as you shave.

This bulk buy includes 15 disposable items for under $25, while a single Gilerre Venus razor sells for over $13 at Walgreens.

Family Meal By Jose Andres Gazpacio

family meal by jose andres gazpacio

Price: $6.89

Enjoy a cold soup this summer. The weather is too warm for a big bowl of chicken noodle. This ready-to-eat refrigerated veggie blend is an easy addition to an outdoor event menu. Serve the traditional Spanish recipe as a party starter or your main meal.

Bottom line

jetcityimage/Adobe costco wholesale storefront

Costco makes it easy to save money shopping for a supersized selection of summertime favorites. Whether you're planning a backyard barbecue, packing for vacation, or just stocking up for the season, our picks are budget-friendly buys that will leave cash in your wallet.

While we spotted plenty of warm-weather deals, the savings don't stop there. Costco offers some unbeatable prices on grocery staples and home items, ranging from appliances to furniture and decor, so keep an eye out for end-of-season deals in every aisle.

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