The Triangle

The Triangle A great mix of dining & entertainment, including Cafe Sevilla, Casa de Onda, Yard House, Prince St. Pizza, Oji Sushi, Starlight Cinema and more.

The premier entertainment destination in Costa Mesa, Triangle Square offers visitors an assortment of exciting Eat+Play options: Black Knight Lounge, Cafe Sevilla, Yard House, La Vida Cantina, 24 Hour Fitness, Triangle Cinemas, RockStar Tan, Halloween Bootique + More Coming Soon!
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Although Triangle Square does not allow overnight parking, we understand that cars may sometimes n

eed to be left on property overnight. If a car is going to be left overnight, please contact security at (714) 272-3696 to prevent the car from being towed from the property. Cars that are left after 11am and that have not contacted security could be towed at that time. Thank you for your patronage.

Thank you Orange County Register for featuring Uncle Fluffy at
05/27/2026

Thank you Orange County Register for featuring Uncle Fluffy at

Won’t you come on over, baby, we can shake, shake, shake.

Still think about Boots and Brunch last Sunday  😍 📸
05/27/2026

Still think about Boots and Brunch last Sunday 😍

📸

From Boots and Brunch at Westwood to a Flamenco Dinner and Show at Cafe Sevilla Orange County  and everything in between...
05/10/2026

From Boots and Brunch at Westwood to a Flamenco Dinner and Show at Cafe Sevilla Orange County and everything in between, there are many ways to celebrate the sweet mom in your life at Triangle Square. Happy Mother's Day to all the amazing mothers!

05/08/2026

🎉Heads up, friends… is finally here 🤍😉 Soft opening - May 16th and 17th. Grand Opening May 23rd.

Repost from Uncle Fluffy:
Join us for the Grand Opening of Uncle Fluffy at Triangle Square! Come celebrate with us, try our famous Japanese cheesecakes, matcha, coffee, and more 🍰☕️

✨ Soft Opening: May 16th–17th
🎉 Grand Opening: May 23rd
📍 1870 Harbor Blvd, Costa Mesa, CA 92627

Bring your friends, your cravings, and your cameras 📸
Stay tuned for our hours of operation!

We can’t wait to meet you, Costa Mesa 🤍

✨ Opening soon at   —  is bringing elevated Southern comfort food, California coastal flavors, craft cocktails 🍸, mockta...
05/07/2026

✨ Opening soon at — is bringing elevated Southern comfort food, California coastal flavors, craft cocktails 🍸, mocktails, premium coffee ☕, and live music 🎶 to Costa Mesa.

Founded by OC native and named after his mother Linda Jean, LJ’s blends soulful hospitality with a vibrant dining experience. Guests can look forward to breakfast, lunch, dinner, and lively weekend brunches featuring DJs, jazz, gospel, and reggae vibes. 👀

Swipe for a sneak peek.

Celebrate Mother’s Day the Cafe Sevilla way at , located in   ❤️🌹Treat Mom to a festive brunch from 11AM–3PM, where all ...
05/05/2026

Celebrate Mother’s Day the Cafe Sevilla way at , located in ❤️🌹

Treat Mom to a festive brunch from 11AM–3PM, where all moms receive a complimentary lobster tail.

Make it unforgettable with Sevilla’s signature Flamenco experiences:
✨ Midday Show (12:30PM | doors at 12PM) — a 2-part flamenco performance with a 3-course menu, $85 per person
✨ Evening Flamenco, Lobster & Champagne Dinner (5PM | doors at 4:30PM) — featuring a 3-course Spanish dinner including Paella Valenciana, plus a complimentary glass of champagne and lobster tail for Mom, $95 per person

From brunch to an evening of music, dance, and Spanish flavors—Cafe Sevilla brings the celebration all day long. 💃🍽️

Happy hour is also available on Mother’s Day.

We love seeing Orange County through fresh eyes—thank you to the The Hollywood Times for featuring the area in their lat...
04/28/2026

We love seeing Orange County through fresh eyes—thank you to the The Hollywood Times for featuring the area in their latest weekend guide!

While their story explores nearby Santa Ana, the experience continues just minutes away right here at Triangle Square where they dined at Cafe Sevilla Orange County🍽️

Tapas, paella, live music - how can you not want to come here?



Whether you’re a business traveller coming to the Anaheim Convention Center for work or a consumer heading to WonderCon, the annual comic book, science fiction, and pop culture convention, check out the city of Santa Ana for a memorable, leisurely stay. “Santa Ana stands apart as a vibrant desti...

04/22/2026

Uncle Fluffy opens soon.

04/07/2026

Cafe Sevilla Orange County

Welcome  to  ! 🌸🌹 They’ve installed a floral bouquet vending machine in the parking garage, near the  entrance! So remem...
03/21/2026

Welcome to ! 🌸🌹 They’ve installed a floral bouquet vending machine in the parking garage, near the entrance! So remember to grab a fresh floral bouquet from the vending machine, the next time you’re on a date at or or or even ! 💕🥰

Mark your calendars March 8-14 is OC Restaurant Week and we've got the scoop on the dishes being served by 3 of our rest...
03/01/2026

Mark your calendars March 8-14 is OC Restaurant Week and we've got the scoop on the dishes being served by 3 of our restaurants here at : Cafe Sevilla Orange County, Casa De Onda and Westwood Coast.

Three restaurants at Triangle Square   in Costa Mesa a re participating in OC Restaurant Week , taking place Marc h 8 – 14. Café Sevilla, Casa de Onda, and Westwood Coast will offer prix fixe dinner menus as well as a special dinner menus for two, perfect for date night.

🥰You’ve got a pizza my heart ♥️ 🍕 For two days only, February 13 (Galentine’s Day) & February 14 (Valentine’s Day),  be ...
02/09/2026

🥰You’ve got a pizza my heart ♥️ 🍕 For two days only, February 13 (Galentine’s Day) & February 14 (Valentine’s Day), be serving their iconic Naughty Pies in a heart shape. They are calling it Cupid’s Naughty Pie. They’ll be available in-store and online for delivery for $20, and to make things even sweeter, their Not Ranch is turning PINK for the occasion.

Swipe for details. All you knead is love after all and pizza 🍕 from Prince Street!

🏈🔥 READY FOR THE BIG GAME? 🔥🏈 Triangle Square is your Super Bowl HQ with watch parties, food specials, and game-day ener...
02/05/2026

🏈🔥 READY FOR THE BIG GAME? 🔥🏈
Triangle Square is your Super Bowl HQ with watch parties, food specials, and game-day energy all day long.

🍔 Tavern + Bowl
Open at 10AM for pre-game bowling + all-day dining.
📺 26 TVs + Game Sound
🍺 Hot Dog + 20oz Beer Special

🤠Westwood Coast
Watch Party starts 2:30PM
🔥 99¢ Wings
🍹 Drink Specials + Big Screen Viewing

🌮 Casa de Onda
Open 10AM Brunch + Watch Party
📺 35 TVs + Huge Patio
✨ Authentic Mexican favorites + specials

🍺 Yard House
Beer flights, apps, and TVs everywhere for prime game viewing.

💃Cafe Sevilla — The Benito Bowl
🏈 Big Game + 🎶 Bad Bunny + Reggaeton DJ vibes

🍕 Watching at Home?
Grab pizza from Prince St. Pizza and host your own watch party.

📍 Make Triangle Square your game day destination.
Tag your crew + rep your team colors ❤️💙💚
SuperBowlSunday

Repost from •🏈 Super Bowl Sunday at Westwood Coast 🏈99¢ wings. $45 open bar (until end of game). Big screens. Bigger ene...
02/05/2026

Repost from

🏈 Super Bowl Sunday at Westwood Coast 🏈
99¢ wings. $45 open bar (until end of game). Big screens. Bigger energy.
Doors open at 2:30pm. Kickoff ready!
🍻🔥

📲 Reservations available on | Walk-ins welcomed

📍1870 Harbor Blvd, L1-108 Costa Mesa, CA.

✨ Saddle up, OC — Westwood Coast just added even MORE country line dancing to your week!Whether you're a total beginner ...
01/30/2026

✨ Saddle up, OC — Westwood Coast just added even MORE country line dancing to your week!

Whether you're a total beginner or a seasoned two-stepper, everyone’s welcome to hit the dance floor. Plus, enjoy FREE dance instruction every night! 💃🕺

📅 Weekly Line Dancing Schedule:

Tuesday: Country Family Night (6pm–9:30pm) 👨‍👩‍👧

Kids must be 10+

No drop‑offs

1 adult required for every 2 minors under 18

Wednesday: 18+ Night (8pm–11pm) 🎶

Thursday: 21+ Night (9pm–12am) 🤠🍹

Located at Triangle Square in Costa Mesa, Westwood Coast is your go‑to spot for steaks, live country music, and dancing all night long.

Grab your boots and meet us on the dance floor! ✨

Learn more: https://www.go2triangle.com/news/westwood-coast-launches-third-night-of-country-line-dancing

We’re kicking off 2026 with a self‑care celebration you won’t want to miss. Our Instagram Giveaway is officially live, a...
01/09/2026

We’re kicking off 2026 with a self‑care celebration you won’t want to miss. Our Instagram Giveaway is officially live, and we’re partnering with some of our incredible Aspire Salon Studios' tenants to bring you the ultimate feel‑good prize.

⭐️A relaxing 30 minute neck and scalp massage from Massage Theory

⭐️A fresh blowout from Style Me Liz

⭐️A gift card to Apothek Lounge

We’ll be choosing three winners for this giveaway — one will receive the massage, another will win the blowout, and a third will take home the Apothek Aesthetics Lounge gift card. All winners will be selected at random from the entry form on January 31.

👉 Enter now by filling out the form — it only takes a moment, and you’re in!
https://bit.ly/triangle-square-january-giveaway

Ending the year with a bang! Last 🎁 HOLIDAY GIVEAWAY of 2025! 🎄 This Saturday we are giving away a gift card from  🍹🎉Caf...
12/31/2025

Ending the year with a bang! Last 🎁 HOLIDAY GIVEAWAY of 2025! 🎄 This Saturday we are giving away a gift card from 🍹🎉Cafe Sevilla is proud to offer the most authentic Spanish ambiance in their tapas bar, restaurant and nightclub.

✨ Here’s how to enter:
1️⃣ Like this post ❤️
2️⃣ Let us know in the comments why you’d like to try Cafe Sevilla.
3️⃣ Make sure you’re following 🎉AND

That’s it! The winner will be randomly selected on Friday night and announced right here. Good luck and happy holidays from all of us at Triangle Square! 🎅🎁

Happy Holidays from@ !
12/25/2025

Happy Holidays from@ !

Ring in the New Year at Triangle Square!
12/20/2025

Ring in the New Year at Triangle Square!

Triangle Square offers something for everyone to celebrate New Year’s Eve this year, from movies and bowling, to live music, dancing and dining, there are plenty of festive ways to ring in a New Year with family or friends. For a night of fun with family or friends, head to Tavern + Bowl  

Have you visited Triangle Square recently?We are at 1870 Harbor Blvd, Costa Mesa, CA 92627
12/07/2025

Have you visited Triangle Square recently?
We are at 1870 Harbor Blvd, Costa Mesa, CA 92627

No matter how you slice it🍕, you're awesome! ❤️ Have you tried  Prince Street Pizza?     Photo: Kait McKay Photography
12/05/2025

No matter how you slice it🍕, you're awesome! ❤️ Have you tried Prince Street Pizza?

Photo: Kait McKay Photography

Cyber Monday Deals at
12/02/2025

Cyber Monday Deals at

You know what TIME it is! 🤩 Last chance to score up to 50% off all shows with code ‘SALE’

Snag your tickets now.

Address

1870 Harbor Boulevard
Costa Mesa, CA
92627

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