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.

Summer may be winding down, but the fun is just heating up at Triangle Square in Costa Mesa. Beat the August heat with a...
08/19/2026

Summer may be winding down, but the fun is just heating up at Triangle Square in Costa Mesa. Beat the August heat with air-conditioned adventures—from blockbuster movies at Starlight Cinemas and bowling at Tavern & Bowl | Costa Mesa to cool treats at Uncle Fluffy and evenings filled with music and dancing. Whether you’re learning line dancing at Westwood Coast , stepping onto the salsa floor at Cafe Sevilla Orange County , or discovering the newest hotspot, LJ’s Lounge , Triangle Square is the perfect place to squeeze every last drop out of summer.

LJ’s Lounge featured in the Orange County Register. Read to see what you can look forward to at the brand new LJ's Lou...
07/26/2026

LJ’s Lounge featured in the Orange County Register. Read to see what you can look forward to at the brand new LJ's Lounge at .

Kenneth Jackson brings Southern soul food, music, community and more to Costa Mesa.

07/26/2026

NOW PLAYING. Don't miss it on the big screen! THE ODYSSEY is an epic theatrical feat. Get tickets for shows at Starlight Cinemas here: starlightcinemas.com/movies/1000013045

LJ’s Lounge is officially open!
07/20/2026

LJ’s Lounge is officially open!

LJ’s Lounge   has opened at Triangle Square , bringing eleva ted Southern-inspired comfort food and a vibrant music experience to Costa Mesa. LJ’s Lounge serves dinner on weekdays and brunch on the weekend in a sophisticated yet approachable atmosphere.

Let's go to the movies!
07/15/2026

Let's go to the movies!

THIS WEEK! Christopher Nolan's THE ODYSSEY begins July 17th! Don't miss this mythic epic on the big screen. Tickets at starlightcinemas.com/movies/1000013045

🎉Celebrate Father’s Day at Cafe Sevilla on Sunday, June 21st. Treat dad to brunch from 11am-3pm, and enjoy their full di...
06/27/2026

🎉Celebrate Father’s Day at Cafe Sevilla on Sunday, June 21st. Treat dad to brunch from 11am-3pm, and enjoy their full dinner menu available throughout the day.

Enjoy their signature Old Fashioned cocktail for just $10. Starting at 4pm, all paellas will be half price. Live Latin music in the evening.

Reserve your table by calling 949-688-1555 or online.

Address

1870 Harbor Boulevard
Costa Mesa, CA
92627

Website

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