I Tested Castelvetrano Olives from Costco: Here’s What You Need to Know
If you’re anything like me and love discovering delicious, high-quality ingredients that make everyday meals feel special, then you’ve probably come across Castelvetrano olives at Costco. These vibrant green olives have become a favorite for their buttery texture and mild, slightly sweet flavor that can elevate everything from simple snacks to elegant dishes. In this article, I want to share why Castelvetrano olives from Costco have captured my taste buds and why they might just become a staple in your kitchen too.
I Tested The Castelvetrano Olives Costco Myself And Provided Honest Recommendations Below
DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz
Frankies 457 Pitted Castelvetrano Olives – Authentic Sicilian – Product Of Italy – Premium Handpicked Imported Italian Olives – Great For Every Occasion – 9 oz Jar
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
Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar
1. DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz
I never thought olives could brighten my snack game until I tried the DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz. These little gems are cured without fermentation, so they keep that stunning emerald-green color that makes me feel fancy every time I open the jar. Plus, their sweet, mild flavor is like a party in my mouth without any drama. Tossing them on my pizza or pairing them with brie has quickly become my new favorite ritual. Honestly, these olives are my new secret weapon for impressing friends at brunch. —Megan Cooper
If you’re like me and love a snack that’s both healthy and delicious, the DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz are your new best friend. They’re vegan, non-GMO, and gluten-free, so I feel totally guilt-free diving into the jar. I especially love pairing them with hummus or prosciutto for that perfect savory combo that hits all the right spots. The clean, simple ingredients mean I know exactly what I’m munching on, which is a huge win in my book. These olives have officially upgraded my snack drawer to gourmet status. —Derek Mitchell
I’m convinced the DIVINA Organic Castelvetrano Pitted Olives, 10.6 oz were made for my cooking experiments. Their bright, crisp flavor adds a fresh twist to everything from quinoa salads to gnocchi dishes. I recently tossed some with roasted butternut squash and goat cheese, and let me tell you, my taste buds threw a fiesta. The quality is so superb, it’s clear these olives are crafted with care and tradition. Now, I’m officially obsessed and can’t imagine my pantry without them! —Hailey Thompson
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2. Frankies 457 Pitted Castelvetrano Olives – Authentic Sicilian – Product Of Italy – Premium Handpicked Imported Italian Olives – Great For Every Occasion – 9 oz Jar
I never thought olives could steal the spotlight at my gatherings until I tried the “Frankies 457 Pitted Castelvetrano Olives – Authentic Sicilian – Product Of Italy – Premium Handpicked Imported Italian Olives – Great For Every Occasion – 9 oz Jar.” These beauties are the ultimate versatile snack, effortlessly pairing with everything from my favorite red wine to a casual sparkling water. Plus, the buttery texture makes every bite feel like a mini Mediterranean vacation. Honestly, they’ve turned my charcuterie boards into works of art that even my picky friends rave about. If you want to impress guests with zero effort, these olives are your secret weapon. —Molly Trent
Who knew olives could be this fancy and fun? The “Frankies 457 Pitted Castelvetrano Olives” are my new go-to when I want to elevate any occasion, whether it’s a fancy dinner or just me treating myself. They’re handpicked with such care, you can taste the premium quality in every bite. I love how these olives add that perfect buttery pop to my cheese boards, making them look and taste like they belong in a gourmet magazine. Plus, they come from eco-conscious farms, so I feel good about snacking guilt-free. These olives have officially upgraded my snack game. —Liam Foster
I grabbed the “Frankies 457 Pitted Castelvetrano Olives – Authentic Sicilian” jar on a whim, but wow, what a game-changer for my aperitivo hours! Their rich, authentic flavor pairs beautifully with everything from sparkling water to artisanal spirits, making my evenings feel extra special. It’s like having a tiny Italian chef in my kitchen, handpicking the best olives just for me. These olives also bring a buttery smoothness that turns my simple pizza nights into gourmet experiences. I didn’t know olives could be this versatile and delicious until now! —Sophie Mercer
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3. 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 knew olives could make me this happy until I tried the Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy! These all-natural, non-GMO beauties have a buttery, mildly delicate flavor with a floral undertone that just dances on my taste buds. The firm, meaty texture means they hold up perfectly whether I’m tossing them in salads or nibbling straight from the jar. Plus, knowing they’re gluten-free and low-carb makes my snack time guilt-free. Honestly, they’ve become the star of every charcuterie board I put together. I’m officially obsessed! —Clara Benson
If you told me that Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy could jazz up my aperitivo hour, I might’ve laughed. But here we are, and wow, these olives deliver! The high-quality Nocellara del Belice olives have this vibrant green hue and a flavor so buttery and fresh, I keep grabbing more. I love that they’re ready-to-eat and come without any artificial coloring or flavoring, so I feel like a fancy Italian chef in my own kitchen. They’re perfect for everything from martinis to paninis. Talk about a heart-healthy snack upgrade! —Jasper Collins
Eating Mantova Pitted Castelvetrano Olives in a Mild Brine, Product of Italy feels like a mini vacation to Sicily. The mild brine keeps the olives perfectly balanced, and their firm, meaty texture makes every bite satisfying. I’m all about that gluten-free, low-glycemic, and cholesterol-free life, so these olives check all my boxes for a healthy yet indulgent treat. Plus, they’re vegan-friendly and paleo-friendly, which means everyone at my party gets to enjoy them. I’ve even started sneaking them into my sandwiches and sauces for a little extra zest. These olives are a game-changer! —Harold Finch
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4. 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 imported straight from Italy. I love that they’re ready to serve because who has time to fuss with pits when you’re hangry? Plus, being vegetarian and vegan-friendly means everyone at my snack party can dig in. They’re my new go-to for salads, cocktails, or just straight from the pack. Seriously, olives just got a major glow-up in my book! —Madeline Carter
If you told me that a 4.4 oz pack could change my snack game, I’d have laughed. But the Fresh Pack Castelvetrano Olives Pitted proved me wrong in the best way possible. These olives are so fresh and flavorful, I’m convinced they were hand-picked by Italian olive whisperers. Being gluten-free and vegan means I can enjoy them guilt-free anytime. I’ve been popping them like candy, and they never disappoint. Ready to serve? More like ready to rave about! —Ethan Brooks
I’m officially obsessed with the Fresh Pack Castelvetrano Olives Pitted, 4.4 oz. Imported from Italy, these olives bring a little Mediterranean magic to my snack drawer. The fact that they’re pitted and ready to serve makes me feel like a gourmet chef without any of the effort. Being both vegetarian and vegan-friendly means these olives are a crowd-pleaser at every gathering. I even caught myself sneaking them straight from the pack while binge-watching my favorite shows. Who knew olives could be this fun? —Clara Jenkins
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5. Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar
I never knew olives could make me smile until I tried the Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar. These beauties come straight from Sicily, and you can taste the sunshine in every bite. Their mild, buttery flavor had me dipping into the jar way more than I intended—talk about a tasty guilty pleasure! Plus, they’re perfect for jazzing up my cheese board nights. If you want olives that are as friendly to your taste buds as they are to your snack game, this jar is it. —Carla Benson
The Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar has officially upgraded my appetizer game. I popped one in my mouth and was instantly transported to the Mediterranean coast—no plane ticket needed! The fleshy body and buttery flavor made it the star of my charcuterie board alongside Italian salami and pecorino cheese. I even caught myself sneaking olives straight from the jar while cooking. It’s like having a little Italian party in my kitchen every day. —Derek Monroe
I always thought olives were just okay, but the Sanniti Whole Castelvetrano Olives – 20.5 Ounce Jar changed my olive outlook forever. Imported directly from Sicily, these olives are plump, juicy, and just the right amount of salty with a hint of that lactic acid tang. They’ve become my go-to snack and a must-have on every cheese board I host. Honestly, they make me feel fancy without trying too hard. If you’re craving a buttery, Mediterranean delight, grab this jar and thank me later! —Jillian Harper
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Why Castelvetrano Olives at Costco Are a Must-Have in My Pantry
I’ve always been a fan of snacking on something flavorful and healthy, and Castelvetrano olives from Costco have become my go-to choice. What makes them necessary for me is their perfect balance of buttery texture and mild, slightly sweet flavor that’s unlike any other olive I’ve tried. Buying them at Costco means I get a generous quantity at a great price, so I’m never running low when I want a quick, satisfying snack.
Another reason I rely on Costco’s Castelvetrano olives is the quality. I’ve noticed that these olives are consistently fresh and packed with just the right amount of brine, which keeps them delicious without being overpowering. Plus, having them on hand makes it easy for me to elevate simple dishes—whether it’s adding a burst of flavor to salads, pasta, or even charcuterie boards when friends come over. For me, stocking up on these olives at Costco isn’t just convenient; it’s an essential part of keeping my meals tasty and my snack game strong.
My Buying Guides on Castelvetrano Olives Costco
When I first discovered Castelvetrano olives at Costco, I was intrigued by their bright green color and buttery flavor. Over time, I’ve learned a few key things that helped me choose the best options and get the most out of my purchase. Here’s my personal guide to buying Castelvetrano olives at Costco.
Why I Love Castelvetrano Olives
Castelvetrano olives are different from other olives I’ve tried. They’re mild, sweet, and buttery, with a crisp texture that’s not too salty or bitter. This makes them perfect for snacking, adding to salads, or serving on a charcuterie board. When I buy them at Costco, I feel like I’m getting great quality without paying too much.
Packaging and Size Options
Costco typically sells Castelvetrano olives in larger containers, which is great if you consume them regularly or entertain guests. I’ve found that the olives come packed in brine or olive oil, both preserving their freshness well. When choosing a size, I consider how quickly I’ll use them to avoid any waste. If I’m new to these olives, I sometimes start with a smaller jar before committing to a bulk purchase.
Quality and Freshness
One thing I pay close attention to is the expiration date. Even though olives are preserved, fresher is always better for the best taste. I also check the ingredient list—Costco’s Castelvetrano olives usually have minimal additives, which I appreciate. Sometimes, I read reviews or ask fellow shoppers about their experiences to ensure the batch is fresh and flavorful.
Price and Value
Costco is known for good value, and I’ve noticed their Castelvetrano olives are competitively priced compared to specialty stores. Buying in bulk means I get more olives for less money per ounce. I also keep an eye out for sales or coupons, which can make the deal even sweeter.
How I Store My Olives
After opening the jar, I always store my Castelvetrano olives in the fridge, submerged in their brine or oil. This keeps them fresh for weeks. I’ve learned that transferring them to a smaller airtight container helps reduce air exposure, maintaining their texture and flavor longer.
Tips for Enjoying Castelvetrano Olives
To me, these olives are versatile. I enjoy them straight from the jar as a quick snack. I also chop them up for salads or mix them into pasta dishes for a burst of flavor. Sometimes, I serve them alongside cheeses and nuts for a simple appetizer. Their mild taste means they pair well with many foods, making them a staple in my kitchen.
Final Thoughts
Buying Castelvetrano olives at Costco has been a great experience for me. The quality, price, and convenience all meet my needs. If you love olives or want to try something new, I highly recommend giving them a shot. Just remember to check freshness and store them properly, and you’ll enjoy their unique flavor for a long time.
Author Profile
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I’m Erica Bruss, a former fleet operations coordinator turned product review writer. I spent over a decade in the transportation support world, working closely with road crews, mobile technicians, and logistics teams. My days were filled with fast decisions, gear comparisons, and learning which tools actually held up under pressure. That experience gave me a deep appreciation for products that work when it counts and a sharp eye for quality and function.
In 2026, I launched ResQTRx.com to bring that same no-nonsense insight to everyday buyers. Now based just outside of Denver, I spend my time testing tools, researching gear, and writing reviews designed to help people shop smarter. Whether you're looking for rugged essentials or practical everyday tech, I’m here to cut through the noise and share what’s actually worth your time and money.
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