When it comes to frozen seafood, Costco has cracked the code. From wild-caught delicacies to quick-prep dinner staples, their freezer section is a goldmine for seafood lovers looking for quality, convenience, and value.
We’ve rounded up 12 of the most-loved Costco frozen seafood items—based on glowing customer reviews and repeat buys. Whether you’re a fan of shrimp, salmon, cod, or scallops, there’s something here that’ll upgrade your next seafood night.
Kirkland Wild Caught Chilean Sea Bass $46.99/24 oz
This luxurious fish is a favorite for its buttery texture and rich flavor. Sustainably wild-caught and individually vacuum-sealed, these sea bass portions are perfect for a restaurant-worthy dinner at home. Shoppers love how easily it bakes or sears with just olive oil and lemon.
East Coast Seafood Cold Water Lobster Sliders $24.99/20.25 oz
Mini but mighty, these lobster sliders are packed with sweet cold-water lobster and a touch of mayo and seasoning. They’re ready-to-cook and a total party hit—or a fancy weekday indulgence. Customers rave about the high meat content and authentic lobster flavor.
Kirkland Farm Raised Cooked Shrimp Tail-off $16.99/2 lbs
Perfectly peeled and deveined, these fully cooked shrimp are ideal for tossing into salads, pasta, or shrimp cocktails. Costco shoppers love the convenience and consistent quality. Just thaw and serve—no stove required.
Kirkland Breaded Panko Shrimp $19.99/2.5 lbs
Crispy, crunchy, and golden-brown when baked or air-fried, these panko shrimp are a family favorite. They’re great for appetizers or quick dinners and are praised for their flavorful breading and juicy interior.
Kirkland Wild Caught Mahi-Mahi $24.99/3 lbs
This firm, lean white fish is a hit for grilling and blackening. Individually portioned and vacuum-sealed, the mahi-mahi delivers a mild, slightly sweet flavor that pairs well with tropical salsas and citrusy marinades.
Farm Raised Tilapia Loin $16.99/3 lbs
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These boneless, skinless tilapia loins are a versatile staple for weekday meals. Mild and tender, they’re ideal for pan-frying, baking, or steaming. Customers love how quickly they cook and how kid-friendly they are.
East Coast Seafood Japanese Hokkaido Scallops $38.99 /2 lbs
Sourced from pristine Japanese waters, these dry-packed Hokkaido scallops are prized for their sweet, buttery taste and firm texture. Shoppers consistently give them high marks for searing beautifully and tasting restaurant-grade.
Kirkland Wild Caught Alaskan Sockeye Salmon $28.99/3 lbs
This vibrant, ruby-red salmon is 100% wild-caught and packed with omega-3s. Each fillet is skin-on and vacuum-packed, making meal prep a breeze. Fans love the bold, rich flavor and firm texture.
Olivia Marinated Butterfly Shrimp $14.99/1.5 lbs
Pre-marinated and ready to pop in the oven or air fryer, these butterfly shrimp come seasoned to perfection. They’re crispy on the outside and juicy on the inside—a fan favorite for weeknight dinners or party trays.
Kirkland Everything Gluten Free Seasoned Breaded Cod $16.49/2 lbs
If you’re a fan of “Everything But the Bagel” seasoning, this one’s a must-try. These gluten-free cod fillets are breaded in a flavorful mix of sesame seeds, garlic, and onion. Reviewers call them surprisingly addictive and great for fish tacos.
Kirkland Wild Argentine Red Shrimp $19.99/2 lbs
These shrimp have a lobster-like texture and a naturally sweet flavor that’s made them a cult favorite. Caught off the coast of Argentina and peeled/deveined, they’re perfect for grilling, sautéing, or scampi.
Kirkland Farm Raised Raw Tail On Shrimp $17.99/2 lbs
This Costco go-to is ideal for stir-frying or grilling. With the tails on for extra flavor, these raw shrimp cook up plump and juicy. Shoppers love the quality and affordability, especially for bulk meals.
Final Thoughts
Whether you’re after an elegant seafood dinner or a freezer-friendly weeknight fix, Costco’s frozen seafood section is packed with crowd-pleasers. These 12 picks deliver top-tier taste, convenience, and quality—making them repeat buys for seafood fans across the country. Ready to stock up? Just be warned: they might not stay in your freezer for long.
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