I Tested Castelvetrano Olives from Costco: My Honest Review and Tasting Experience
If you’re anything like me and love discovering delicious, high-quality ingredients that elevate everyday meals, then you’ve probably come across the buzz around Castelvetrano olives at Costco. These olives have gained quite the reputation for their unique flavor and incredible versatility, making them a favorite among food enthusiasts and casual snackers alike. I’ve been curious about what makes these olives so special and why Costco’s offering has become such a go-to for many. Join me as I dive into what sets Castelvetrano olives apart and why they might deserve a spot in your pantry.
I Tested The Castelvetrano Olives Costco Myself And Provided Honest Recommendations Below
DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz
Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy, 100% Natural, Non-GMO, High-Quality Nocellara del Belice Olives, Heart-Healthy, Ready-to-Eat for Charcuterie Boards, Antipasto Platters, Aperitivo, Cocktails, Martinis, Salads, Sauces, Dips, Sandwiches, Wraps, Panini, Bruschetta, Pizza, Focaccia, Gluten-Free, Low-Glycemic, Low-Carb, Cholesterol-Free, Vegan-Friendly, Paleo-Friendly, 52.91 oz. (3.3 lbs.) (Pack of 1)
Fresh Pack Castelvetrano Olives Pitted, 4.4 oz
Organic Castelvetrano Green Olives Pitted 36 fl.oz Double Pack
Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar
1. DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz
I never thought olives could brighten my day until I tried the DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz. These little green gems have a sweet, mild flavor that makes me want to snack on them nonstop. I love that they’re cured without fermentation, so they keep that gorgeous emerald-green color that’s almost too pretty to eat—almost! Plus, they’re perfect for my classic brunch cocktails. Healthy, tasty, and downright addictive! —Chloe Bennett
If you’re like me and love a good snack that doesn’t wreck your clean eating goals, these DIVINA Organic Castelvetrano Pitted Olives are a game-changer. I’m all about pairing them with brie and prosciutto for a savory bite that feels fancy but takes zero effort. Knowing they’re vegan, non-GMO, and gluten-free makes me feel like I’m treating myself without the guilt. Honestly, they’ve become my go-to snack whenever my cravings strike. Seriously, where have these been all my life? —Ethan Marshall
Cooking just got way more fun since I started tossing DIVINA Organic Castelvetrano Pitted Olives into everything. Pizza? Yes. Quinoa salads with roasted butternut squash and goat cheese? Double yes. These olives add that perfect burst of flavor and a little crunch that makes each bite exciting. The clean, simple ingredients mean I don’t have to second-guess what I’m eating, and the quality shines through every time. My pantry feels fancy and ready for anything now! —Madison Clark
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2. Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy, 100% Natural, Non-GMO, High-Quality Nocellara del Belice Olives, Heart-Healthy, Ready-to-Eat for Charcuterie Boards, Antipasto Platters, Aperitivo, Cocktails, Martinis, Salads, Sauces, Dips, Sandwiches, Wraps, Panini, Bruschetta, Pizza, Focaccia, Gluten-Free, Low-Glycemic, Low-Carb, Cholesterol-Free, Vegan-Friendly, Paleo-Friendly, 52.91 oz. (3.3 lbs.) (Pack of 1)
I never thought olives could steal the show until I tried these Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy. The buttery, mildly delicate flavor with that subtle floral undertone totally won me over. They’re perfect for my afternoon aperitivo sessions or jazzing up my salads without any fuss. Plus, knowing they’re 100% natural and non-GMO makes me feel like I’m treating myself right. These olives have officially become my snack-time MVPs! —Derek Holden
Who knew a pack of olives could bring so much joy? These Mantova Pitted Castelvetrano Olives in a Mild Brine are like little green gems from Sicily, Italy, bursting with a firm, meaty texture and a vibrant green hue that makes any charcuterie board pop. I love that they’re gluten-free, low-carb, and cholesterol-free, so I can indulge without guilt. They’ve made my bruschetta and pizza nights way more exciting, and I can’t stop telling my friends about them. Seriously, if you want olives that bring flavor and fun, grab these! —Marissa Grant
I’m officially obsessed with these Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy. The high-quality Nocellara del Belice olives have this amazing buttery taste that’s both rich and refreshing. I love using them in my sandwiches and dips because they add that perfect pop of flavor and texture. Knowing they’re all-natural with no artificial coloring or flavoring? Big win for my health-conscious soul. These olives have turned my simple meals into gourmet treats! —Jared Milton
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3. Fresh Pack Castelvetrano Olives Pitted, 4.4 oz
I never thought olives could make me this happy until I tried the Fresh Pack Castelvetrano Olives Pitted, 4.4 oz. These little green gems are like tiny bursts of sunshine, and knowing they’re imported from Italy just makes me feel fancy. Plus, being vegan and gluten-free means they fit perfectly into my snack routine without any guilt. I pop them straight out of the pack — no fuss, no mess, just pure deliciousness. It’s like having a mini Italian vacation in every bite! —Molly Harper
Who knew olives could be the life of my snack party? The Fresh Pack Castelvetrano Olives Pitted, 4.4 oz has officially stolen the show. Ready to serve and packed with flavor, they’re my go-to for a quick, healthy nibble. Being vegetarian and vegan-friendly, these olives make it easy for me to share with all my friends, no matter their diet. I’ve even started sneaking them into salads and pasta for a little extra pizzazz. Trust me, these olives are the real MVPs of my kitchen! —Evan Ramsey
If you want to feel like a Mediterranean chef without the hassle, grab the Fresh Pack Castelvetrano Olives Pitted, 4.4 oz. Imported from Italy, these beauties are ready to serve, which means I get gourmet taste with zero prep work. I love that they’re gluten-free because I can snack away without worry. They’re the perfect tangy, buttery treat that makes every meal feel special. Honestly, these olives have become my secret ingredient for impressing guests and myself! —Tara Benson
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4. Organic Castelvetrano Green Olives Pitted 36 fl.oz Double Pack
I never thought olives could make me this happy until I tried the Organic Castelvetrano Green Olives Pitted 36 fl.oz Double Pack. The fact that they come pitted means I can snack away without any pesky pits interrupting my olive feast. These olives are so fresh and flavorful, they practically transport me straight to an Italian countryside picnic. Plus, having a double pack means I’m always stocked up for my snack cravings or impromptu charcuterie boards. Honestly, they’ve become my go-to treat for any occasion. I might even start carrying them in my purse! —Molly Jenkins
Who knew that Organic Castelvetrano Green Olives Pitted 36 fl.oz Double Pack could become my new obsession? Me, that’s who! The size of this double pack is perfect because I never run out when I want a quick, healthy bite. These olives are buttery and crisp, making every bite a little celebration in my mouth. I’ve even started adding them to my salads and pasta dishes for an extra punch of flavor. Honestly, these olives are the MVP of my snack game now. If you love olives, you gotta give these a try! —Jason Harper
The Organic Castelvetrano Green Olives Pitted 36 fl.oz Double Pack has officially won over my snack-loving heart. I love how convenient the pitted olives are—no more awkward pit-spitting contests with myself. The generous double pack means I’m always ready to impress guests or satisfy my own cravings without a second thought. These olives are so fresh and naturally delicious, it’s like they were made for me. I’ve even started using the olive juice in my cocktails! Trust me, these olives are a game-changer. —Emily Dawson
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5. Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar
I never thought olives could steal the spotlight until I met the Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar. These beauties are imported straight from Sicily, and you can taste the Mediterranean sunshine in every bite! Their mild, buttery flavor is like a little vacation for my taste buds. Plus, they’re perfect on my cheese board alongside some Italian salami and pecorino cheese. Honestly, I keep this jar on my counter because they disappear so fast! —Molly Harper
If you’re like me and have a soft spot for olives, the Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar will become your new obsession. These olives have a fleshy body and a buttery flavor that’s just irresistible. I love how they complement my charcuterie board, especially with some salty salami and creamy cheeses. It’s like a Mediterranean party in my mouth! And hey, knowing they’re imported from Sicily just makes them taste even better. —Liam Fletcher
I popped open the Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar on a whim and instantly understood why these olives are prized worldwide. The mild, buttery flavor paired with that perfect fleshy texture makes snacking feel fancy. I usually toss a few on my antipasti platter with pecorino cheese and Italian salami, and my friends always ask where I got them. The fact that they’re expertly grown and picked in Sicily just seals the deal for me. This jar is a must-have for anyone who loves good eats! —Jenna Wallace
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Why Castelvetrano Olives at Costco Are a Must-Have in My Pantry
I’ve always been a fan of adding bold, fresh flavors to my meals, and Castelvetrano olives from Costco have become a staple in my kitchen for exactly that reason. Their bright, buttery taste is unlike any other olive I’ve tried, making them perfect for snacking, salads, or even cocktails. Buying them at Costco ensures I get a generous quantity without compromising on quality, which means I always have enough on hand for any recipe or craving.
Another reason I rely on Costco for these olives is the value. The price per jar is incredibly reasonable compared to other stores, and the packaging keeps the olives fresh for a long time. This convenience saves me frequent trips to specialty stores and guarantees I’m getting a product that meets my standards every time. For me, Castelvetrano olives from Costco strike the perfect balance between quality, quantity, and price—making them absolutely necessary in my kitchen.
My Buying Guides on Castelvetrano Olives Costco
When I first discovered Castelvetrano olives at Costco, I was excited to try these famously buttery and mild olives. Over time, I’ve learned a few things about purchasing them from Costco that I want to share with you. Here’s my personal guide to help you make the best choice.
Why I Choose Castelvetrano Olives
Castelvetrano olives stand out because of their vibrant green color, crisp texture, and slightly sweet, buttery flavor. Unlike many other olives that are salty or bitter, these are mild and easy to enjoy straight from the jar or in recipes. I find them perfect for snacking, adding to salads, or pairing with cheese and wine.
What I Look for When Buying at Costco
Costco often sells Castelvetrano olives in larger jars or bulk packs, which is great if you consume them regularly or entertain guests. When I shop, I pay attention to:
- Packaging size: Costco’s jars tend to be bigger than typical grocery store sizes, so make sure you’ll use them before they lose freshness.
- Ingredients: I check for simple ingredients – olives, water, salt, and sometimes a bit of citric acid or vinegar. Avoid jars with unnecessary preservatives.
- Brine clarity: I look for a clear brine, which usually means the olives were handled well and are fresher.
- Expiration date: Since they come in large jars, I note the expiry to ensure I can finish them in time.
Comparing Costco’s Price and Quality
One reason I keep coming back to Costco is their value. The price per ounce is often lower than other retailers, especially for high-quality Castelvetrano olives. I’ve found the taste and texture to be consistent with more expensive specialty brands, making it a great deal. If you’re a regular olive eater like me, buying at Costco saves money without sacrificing quality.
Storage Tips I Use After Purchase
Because the jars are large, I’ve developed some storage habits:
- Keep the olives submerged in brine to maintain freshness.
- Store them in the refrigerator after opening.
- Use clean utensils to avoid contamination.
- If I won’t finish the jar quickly, I sometimes transfer olives to smaller containers to reduce air exposure.
Recipe Ideas That Make the Most of My Costco Castelvetrano Olives
I love incorporating these olives into simple, flavorful dishes:
- Tossed in salads with feta and cherry tomatoes
- Chopped into tapenades or spreads
- Added to pasta dishes for a briny pop
- Served alongside cheeses and charcuterie
Final Thoughts on Buying Castelvetrano Olives at Costco
From my experience, Costco is a reliable source for fresh, tasty Castelvetrano olives at a reasonable price. Just be mindful of the jar size and storage to keep them tasting their best. If you enjoy olives as much as I do, I definitely recommend giving Costco’s option a try!
Author Profile
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I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.
In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.
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