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.

⚽️ Grab your crew, wear your colors, and cheer on your favorite team at Tavern & Bowl | Costa Mesa ! Catch all the World...
06/18/2026

⚽️ Grab your crew, wear your colors, and cheer on your favorite team at Tavern & Bowl | Costa Mesa ! Catch all the World Cup action on our big screens while enjoying cold beer specials all month long.

🍺 $8 Pints
🍺 $10 Stella Artois & Michelob Ultra (20 oz Drafts)

⏰ Hours:
Monday–Friday: Open at Noon
Saturday: 11 AM–12 AM
Sunday: 11 AM–9 PM

👉swipe to see where else at you can catch the games

GOOOOOOALLLL! Watch select FIFA   matches at   Get together with friends and cheer on your favorite teams over delicious...
06/13/2026

GOOOOOOALLLL! Watch select FIFA matches at Get together with friends and cheer on your favorite teams over delicious drinks and tapas.

Seating will be available on a first-come, first-served basis, so come early to secure your spot. During the matches, Cafe Sevilla will be serving a special selection of Spanish tapas, along with their full bar menu.

They will also be hosting giveaways during select matches.

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.

Address

1870 Harbor Boulevard
Costa Mesa, CA
92627

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