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Costco Frozen Seafood Guide 2026: What Reviewers Like, What Isn’t Confirmed, and How to Thaw It Safely

Writer: alexsteinbergmojo
alexsteinbergmojo
23 minutes ago
5 min read
Bowl of cooked shrimp and a plated salmon fillet with lemon on a kitchen counter

The Costco frozen seafood guide 2026 is for the shopper who stands at the freezer case wondering which of the big bags is worth putting in the cart. Today is October 25, 2026, and with holiday entertaining on the horizon, many households are thinking about shrimp rings, salmon dinners, and easy weeknight fish. This guide walks through the frozen seafood items one food site rounded up from customer reviews, what is and is not known about where some of it comes from, and the safe way to thaw and cook it.


A note on sources. The product list comes from The Takeout, in an article by Cheryl Kochenderfer published July 30, 2025, which says it draws on customer reviews from Costco.com, Instacart, social media, and Reddit but gives no review counts or star averages.


That means "reviewers like it" is the strongest claim we can make. Prices change often, and Costco's selection varies by warehouse and season, so check the app or your freezer case before you plan a meal around any item.


What Reviewers Say Is Worth Buying


These are the 13 items from the Takeout article, with the package details it gave. All praise below is the article's summary of reviews, not our testing.


Shrimp

  • Kirkland Wild Argentine Red Shrimp: 2-lb bag, 20 to 60 raw, peeled, deveined, tail-free. Reviewers praised flavor and size, with one Reddit comment saying they have a "lobster-esque taste and texture."

  • Kirkland Farm Raised Raw Tail On Shrimp: 2-lb resealable bag, 42 to 50 raw shrimp. Costco reviewers praised flavor, firmness, and price.

  • Kirkland Farm Raised Cooked Shrimp Tail-off: 2-lb bag, 100 to 140 cooked, peeled shrimp, handy for a crowd. A Reddit user cited $16.99, which we could not verify.

  • Kirkland Breaded Panko Shrimp: 2.5-lb box, 40 to 50 farm-raised shrimp, no sauce. Reviewers commented on size and breading.

  • Olivia Marinated Butterfly Shrimp: 1-lb box, 16 to 20 raw butterflied shrimp in a garlic and herb marinade. Reviews note a strong garlic flavor. The bag is not resealable.


Fish

  • Kirkland Wild Caught Alaskan Sockeye Salmon: 3-lb bag, individually wrapped skin-on portions of 5 to 7 oz. Described as "nearly 5-star" with no count, and one reviewer mentioned a pin bone.

  • Kirkland Wild Caught Chilean Sea Bass: 1.5-lb bag, 4 to 6 oz skinless, boneless portions. The article gave a $46 to $62 range with no source, so check the current price.

  • Kirkland Wild Caught Mahi-Mahi: 3-lb bag, 4 to 8 oz boneless, skinless fillets. The label warns bones may remain.

  • Kirkland Wild Caught Alaska Pacific Cod: 2-lb bag, 5 to 8 oz raw, unseasoned, hand-trimmed portions.

  • Kirkland Farm Raised Tilapia Loin: 3-lb resealable bag, vacuum-packed portions of 4 to 7.5 oz.

  • Kirkland Everything Gluten Free Seasoned Breaded Cod: 2.5-lb box, about 12 pre-breaded fillets, cooked from frozen. The article says it was reformulated to be gluten-free around 2024, without a source, so check the label if you need gluten-free.


Shellfish and specialty

  • East Coast Seafood Japanese Hokkaido Scallops: 2-lb bag, 18 to 23 raw scallops, about eight hours to thaw.

  • East Coast Seafood Cold Water Lobster Sliders: a kit for six sliders with lobster meat, brioche rolls, seasoning, and lobster butter. No weight or price was given.


What Is Not Confirmed About Sourcing


Another Takeout article (by Angela L. Pagan, February 24, 2025) looked into who makes Kirkland frozen shrimp. It reported that a 2020 recall revealed that Kader Exports, based in India, is behind Kirkland Signature cooked, tail-on frozen shrimp. That applies to that specific product, and the article does not say whether Kader supplies other Kirkland shrimp. It also says the shrimp is labeled a product of Vietnam, that Costco "has never fully confirmed where this shrimp farm is located," and that all of it is labeled farm-raised. It did not mention any sustainability certification. If sourcing matters to you, read the package, look for certification marks, and contact Costco member services with questions.


How to Thaw and Cook Seafood Safely


This advice comes from an FDA-based consumer guide, "Fresh and Frozen Seafood:


Selecting and Serving it Safely," dated January 2012. It is older, but the basics are standard.

  • Refrigerator: thaw gradually overnight. This is the preferred method.

  • Cold water: for faster thawing, seal the seafood in a plastic bag and immerse it in cold water. The guide gives no time frame.

  • Microwave: use the defrost setting only if you will cook the fish immediately, and stop while it is still icy but pliable.

  • Cook to 145°F. The guide says most seafood should reach an internal temperature of 145°F. Without a thermometer, look for flesh that is opaque and separates easily with a fork.

  • Check the package. Frost or ice crystals inside a package may mean the fish has been stored a long time or thawed and refrozen.


Some items, such as the breaded cod, are described as cooked from frozen, so follow the cooking directions on the package for each product.


How to Shop the Freezer Case


  1. Decide the meal first. Salmon portions suit dinner, cooked shrimp suits a party platter.

  2. Check the count and size. A 2-lb bag with 100 to 140 shrimp is a very different product from one with 20 to 60.

  3. Do the unit math. Compare price per pound across items, using current prices.

  4. Read the origin and certification marks on the package.

  5. Look for frost and torn packaging.

  6. Check the freezer space before you buy three big bags.

  7. Watch for sales. The article says savvy shoppers stock up on some items when discounted, but gives no source, so check the monthly coupon book.

  8. Keep your receipt. If something is not right, Costco's return policy is generous in many cases, but see our holiday return guide for exceptions.


Common Frozen Seafood Mistakes


  • Thawing on the counter.

  • Buying a huge bag without freezer space.

  • Assuming every shrimp is peeled or tail-off.

  • Ignoring bone warnings on fillets.

  • Skipping the thermometer.

  • Treating a review summary as a verified rating.

  • Assuming gluten-free without reading the current label.


Why the Costco Frozen Seafood Guide 2026 Rewards a Little Homework


Frozen seafood at Costco can be a convenient, flexible buy, but the details vary a lot from bag to bag. A minute with the package, the count, the origin, and the cooking directions turns a random freezer purchase into a meal plan. The best use of any Costco frozen seafood guide 2026 is as a shortlist, then your own taste and the current label decide.


Quick Cheat Sheet


  • Source of the list? One food site's roundup of customer reviews, July 2025.

  • Prices? Mostly not given. Check the app.

  • Sourcing? Not fully confirmed for Kirkland shrimp. Read the label.

  • Safest thaw? In the refrigerator overnight.

  • Cooking temperature? 145°F internal for most seafood.

  • Best habit? Check count, origin, and directions before you buy.


At MOJO Sales & Branding, we understand every dimension of the Costco member experience, including what is in the freezer case.



This article is general information, not food safety or medical advice. Product details come from news and review summaries that may be outdated; the safety guidance is from a 2012 FDA-based document. Always follow package directions and current guidance. We are not affiliated with Costco Wholesale.





 
 
 

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