Recent social media posts
18/10/2026
🦞 LIVE LOBSTER YOUR WAY! 🔥
Come grab your live lobster at Costi’s Fresh Seafood Castle Hill and have it prepared just the way you like it!
🥢 Sashimi style
🔪 Cut and de-shelled
🦞 Customised to your preference
Fresh seafood, prepared your way! 🐟
📍 Costi’s Fresh Seafood Castle Hill
17/10/2026
🦪🔥 OYSTER LOVERS, THIS ONE’S FOR YOU! 🔥🦪
ROCK OYSTERS 🪨 vs PACIFIC OYSTERS 🌊 — which one are you picking? 🤤
Fresh, delicious and ready for your weekend seafood feast! Whether you love the bold taste of rock oysters or the fresh, delicate flavour of Pacific oysters, we’ve got you covered. 👌🦪
💙 FRESH SEAFOOD. PREMIUM QUALITY. ALWAYS AT COSTI’S!
👇 Tell us in the comments: ROCK or PACIFIC? 🦪🔥
📍 Costi’s Fresh Seafood - Castle Hill
16/10/2026
🐟🔥 YOUR WEEKEND SEAFOOD FEAST STARTS HERE! 🦀🦞
Castle Hill, we’re stocked up and ready for the weekend! 🤩 Come get your hands on the freshest seafood at Costi’s!
🐟 Fresh whole fish
🦀 LIVE CRABS
🦞 LIVE LOBSTERS
🦪 Premium abalone
🐚 Fresh pipis
🍣 Fresh sashimi
Whether you’re planning a family seafood feast, a BBQ or a premium sashimi platter, we’ve got you covered! 🤤👌
🔥 FRESH FROM THE OCEAN TO YOUR TABLE!
📍 Costi’s Fresh Seafood — Castle Hill
Come in early for the best selection! 🏃♂️💨
14/10/2026
🌊🔥 LIVE RED SEA URCHIN - SASHIMI GRADE! 🔥🌊
For the true seafood lovers! 🤤🧡 Fresh, premium and ready to take your sashimi experience to the next level.
That rich, creamy ocean flavour is something special! 🍣✨
💎 PREMIUM QUALITY. PURE OCEAN LUXURY.
📍 Costi’s Fresh Seafood - Castle Hill
11/10/2026
🐟🔥 THIS WEEK’S PREMIUM SEAFOOD DELIVERY FOR TIM TSZYU! 🥊💪
Only the freshest and finest make the cut! 🦐🦞 From the ocean straight to the table, bringing Tim Tszyu his weekly dose of premium seafood! 🇦🇺🐟
When it comes to quality, we don’t compromise. 💯🔥
📍 Costi’s Fresh Seafood - Castle Hill
09/10/2026
🐟🎉 WE HAVE A WINNER! 🎉🐟
Our swordfish giveaway winner has arrived and claimed their FREE swordfish! 🔥🙌
Congratulations! 🥳🐟 Want to be our next winner? Keep following us for more exciting giveaways and fresh seafood surprises! 👀🔥
Thanks for being part of the Costi’s Fresh Seafood family! ❤️
08/10/2026
🚨🐟 FLASH GIVEAWAY AT COSTI’S! 🐟🚨
WHO WANTS FREE SWORDFISH?! 🔥🤩
Today, we’re giving away a FREE SWORDFISH to the FIRST person who comes into our store! 🎉
Here’s how to win:
✅ Follow our Instagram page
✅ Come in-store and show us this video
✅ Be the FIRST to arrive! 🏃♂️💨
The best part? You can have your swordfish filleted or prepared however you like! 🔪🐟
⚡ ONE WINNER. ONE FREE SWORDFISH. FIRST COME, FIRST SERVED!
Hurry down to Costi’s Fresh Seafood Castle Hill before someone else beats you to it! 👀🔥
08/10/2026
🐟🔥 ANOTHER MONSTER LING! 🔥🐟
Fresh in and weighing a whopping 29KG! 🤯😳💪
Caught fresh on a longline and straight to Costi’s! You don’t see Ling this size every day. 🤯
Whoo! 🔥 Come in and check it out while it lasts!
07/10/2026
🥊🐟 Good times with good people!
Always a good time catching up with the champ Tim and the crew from The Watch Co. Always plenty of amazing seafood with laughs, good chats and good vibes! 😊🤝
Love having these guys as part of the Costi’s Fresh Seafood family. 💙
Address
Shop 1214, Level 1 Castle Towers, Castle Hill
Sydney, NSW
2154
Public Transport:
- Take the train to Castle Hill Station.
- From the station, walk south on Old Northern Road towards Castle Street.
- Turn left onto Castle Street and continue until you reach the destination.
Driving/Parking:
- Head northwest on Showground Road towards Carrington Road.
- Turn left onto Carrington Road and continue straight.
- Turn right onto Old Northern Road and then turn left onto Castle Street.
- The destination will be on your right.
- There is parking available nearby.
Opening Hours
| Monday |
9am - 6pm |
| Tuesday |
9am - 6pm |
| Wednesday |
9am - 6pm |
| Thursday |
9am - 9pm |
| Friday |
9am - 6pm |
| Saturday |
8am - 6pm |
| Sunday |
9am - 5pm |
Alerts
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Contact The Business
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What people say
Costis Fresh Seafood in Castle Hill, Sydney, is a true gem for seafood lovers. Established by the Costi's family in 1980, this establishment prides itself on its commitment to freshness and customer satisfaction.
What sets Costis Fresh Seafood apart is their dedication to serving the needs of their customers and their families. As an independent operator, they have tight controls in place to ensure that only the freshest and premium seafood reaches their valued customers.
Whether you prefer to pick up your seafood from their Castle Hill store or opt for the convenience of home delivery, Costis Fresh Seafood has you covered. Their online ordering system makes it easy to enjoy fresh seafood from the comfort of your own home.
Located at Castle Towers, Costis Fresh Seafood is a must-visit destination for anyone craving high-quality seafood. With a focus on customer service and top-notch products, Costis Fresh Seafood is sure to leave you satisfied with every bite.
For a delightful seafood experience that prioritizes freshness and customer satisfaction, look no further than Costis Fresh Seafood in Castle Hill.
