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Denny's

Denny's Denny's, America's diner since 1953, offers a casual atmosphere where guests can enjoy classic American comfort food at any time of day. From Moons Over My Hammy to the Build Your Own Grand Slam, Denny's expansive menu caters to the taste and dietary requirements of every guest. Specialties include breakfast, lunch, and dinner with options for kids and takeout services available. Come in and connect with friends and family at Denny's.
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Recent social media posts

06/04/2026

more cheese pls

if your love language is ordering one of everything, the diner dipper was made for you
06/02/2026

if your love language is ordering one of everything, the diner dipper was made for you

05/29/2026

it’s pretty much a 1:1, just like me & He-Man fr fr

Watch Masters of the Universe only in theaters June 5!

this is who you're asking to make your grand slamwich
05/26/2026

this is who you're asking to make your grand slamwich

05/23/2026

we take the mantle of “america’s diner” seriously. that’s why the mobile relief diner’s mission is to bring that cozy booth feeling to those in need all around the country. serving great meals is good , but serving our community is the best.

05/18/2026

this is what the algorithm wanted

Watch Masters of the Universe in theaters June 5!

05/16/2026

our favorite kind our grass

your words matter.
05/15/2026

your words matter.

05/13/2026

✨i haaaveee the buuurrrrgerrrrrrrrrrrr ✨

Come try our all-new, exclusive Masters of the Universe menu and catch Masters of the Universe in theaters June 5!

05/11/2026

“you’re so hard to please”
literally me:

05/09/2026

good news for my tum tum

mozzarella sticks on a burger? yeah. we went there.the limited edition MOZZ PIT BURGER is now available at select locati...
05/08/2026

mozzarella sticks on a burger? yeah. we went there.

the limited edition MOZZ PIT BURGER is now available at select locations in houston, los angeles, and miami through tuesday, june 2nd and will absolutely have you saying “WTFIUD?”

we just launched the burger you can’t Live Without… 👀
05/08/2026

we just launched the burger you can’t Live Without…

👀

05/07/2026

table for one please

05/06/2026

i know you want the classic burger now

05/03/2026

food eat first

05/01/2026

guzzle to your heart’s content brother

i am but a vessel for the bean water
04/29/2026

i am but a vessel for the bean water

04/29/2026

better nail this on the first take buddy i’m hunnngrrrryyy

Come try our all-new, exclusive Masters of the Universe menu and catch Masters of the Universe in theaters June 5!

04/28/2026

i’m doing my part

04/27/2026

locked & loaded baby

04/25/2026

the camera eats first unfortunately for me…

Come try our all-new, exclusive Masters of the Universe menu and catch Masters of the Universe in theaters June 5!

04/24/2026

Come try our all-new, exclusive Masters of the Universe menu and catch Masters of the Universe in theaters June 5!

04/24/2026

i do it for the fans

04/23/2026

This kids meal 🥞 = something bigger 💚
At Denny’s, a portion of every kids meal helps fund new, less toxic cancer treatments for kids.

Eat, enjoy, repeat… because every bite counts.
Find your nearest Denny’s. Link below ⬇️

https://www.dennys.com/cookies-for-cancer

By adding California Avocados, take every meal from great to perfect, and they are now in season! With sustainably farme...
07/22/2025

By adding California Avocados, take every meal from great to perfect, and they are now in season! With sustainably farmed California Avocados, every Denny’s meal is a 10! Come and get everything you "avo" wanted today!

By adding California Avocados, take every meal from great to perfect, and they are now in season! Make every Denny's mea...
07/15/2025

By adding California Avocados, take every meal from great to perfect, and they are now in season! Make every Denny's meal a 10 just by adding locally and responsibly grown California Avocados. Come and get everything you "avo" wanted today!

Avocados take every meal from great to perfect and they are now in season! Make every Denny's meal a 10 just by adding l...
07/28/2024

Avocados take every meal from great to perfect and they are now in season! Make every Denny's meal a 10 just by adding locally and sustainably grown California Avocados. Come and get everything you avo wanted today!

Avocados take every meal from great to perfect and they are now ethically sourced! Make every Denny's meal a 10 just by ...
08/18/2023

Avocados take every meal from great to perfect and they are now ethically sourced! Make every Denny's meal a 10 just by adding in season . Come and get everything you avo wanted today!

Avocados take every meal from great to perfect and they are now ethically sourced! Make every Denny's meal a 10 just by ...
08/18/2023

Avocados take every meal from great to perfect and they are now ethically sourced! Make every Denny's meal a 10 just by adding sustainably farmed . Come and get everything you avo wanted today!

Address

731 W San Marcos Boulevard
San Marcos, CA
92069

To get to the restaurant located on W San Marcos Boulevard in San Marcos, you can take the Sprinter rail to the Cal State San Marcos Station and then walk southeast on West San Marcos Boulevard. Alternatively, if driving, take CA-78 and exit at Twin Oaks Valley Road. Turn onto West San Marcos Boulevard, and parking is available in the lot adjacent to the restaurant.

Opening Hours

Monday 5am - 11pm
Tuesday 5am - 11pm
Wednesday 5am - 11pm
Thursday 5am - 11pm
Friday 5am - 1am
Saturday 5am - 1am
Sunday 5am - 11pm

Telephone

+17607448501

Website

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What people say

American restaurants are known for their classic comfort food and everyday value, and Denny's on W San Marcos Boulevard in San Marcos is no exception. For over 65 years, Denny's has been a place where people can come together over great food any time of day or night. With a menu that caters to the taste and dietary requirements of every guest, there is something for everyone at Denny's.

One of the standout items on the menu is the Sizzlin' Skillets, which includes new options like the Parmesan Chicken Sizzlin' Skillet and the Beyond Burger featuring a plant-based patty. But don't worry, all your classic favorites are still available too, like Moons Over My Hammy®, hand-dipped Milk Shakes, 100% Beef Burgers, and the world-famous Build Your Own Grand Slam®.

Whether you're in the mood for breakfast, lunch, dinner or dessert, Denny's has got you covered with an expansive menu that offers delicious and innovative options. And with services like takeout and waiter service available, it's easy to enjoy your meal in whatever way suits you best.

So if you're looking for a casual spot to relax and connect with friends or family over great food any time of day or night, head on over to Denny's on W San Marcos Boulevard in San Marcos. America's diner is always open and ready to serve up some delicious comfort food that will leave you feeling satisfied and happy.

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