In-N-Out Burger

583 Grand Ave, San Marcos
(800) 786-1000

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Customers' Favorites

Fries Regular and Animal Style Fries Well Dine in: Yes Outdoor seating: Yes Takeout: Yes

3x3 Animal Style Hamburger with Everything Animal Style Fries Well Fries Regular

Animal Style Fries Well and Freedom Fries Regular

Animal Style Fries Well Two Fries Regular

Double Double Cheeseburger Animal Style

Double Double with Cheese Animal Style

Cheeseburger with Whole Grilled Onions

Double Double Animal Style Hamburger

Chocolate and Strawberry Shakes

Double Double with Animal Fries

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Recent Reviews

Every experience that I have had here has been a very delicious one. 😁The entire team works very well,fast, and efficient together.😇 Two thumbs up on their courteousness to their customers. 👍👍

December 2025

Shout out to Cashier Raul! Super helpful and friendly, he went over my order slowly (I had a large order with special requests as well), he was so enthusiastic and made it his goal to ensure our order was correct. As a manager (myself) in the customer service industry, it’s refreshing to see employees at places we frequent who stand out in such positive ways. All the staff at In N Out are great, but Raul definitely stands out. Thank you, Raul!

December 2025

It’s funny how you can have hundreds of great experiences, but it’s usually the one small hiccup that makes people want to write a review. I’m writing this because this place is consistently great.

They’re 99% accurate every time—food is always delicious and exactly the same as expected. The one time I think I got an onion on my burger when I didn’t ask for it… no big deal at all. Everything else has always been on point.

The...

December 2025

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Restaurants in San Marcos, CA

In-N-Out Burger

Customers' Favorites

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In-N-Out Burger