Kiel B.
12/17/2025
Very good smash burger. Would highly recommend. Great service. Local owned and operated. With lots of smash burgers to choose from these days. This place stands out. Give it shot.
Cosmos Burger
$$
Closed
(365)
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208 N Coast Hwy
Oceanside, CA 92054
Discover Cosmos Burgers, Oceanside's premier gourmet burger destination! Our menu features fresh, premium beef classics like the Cosmos Classic, Apollo Avocado, and Saturn BBQ Burger. Vegetarians love our Planet Plant-Based options and Stellar Salads. Try our signature hand-spun milkshakes in flavors from vanilla to cosmic cookie, or enjoy local craft beers. We offer fresh-cut Asteroid Fries, crispy Onion Rings, and kid-friendly Cadet Meals. Enjoy our welcoming indoor space or sunny patio—perfect for families and friends. Order online for quick pickup or local delivery. Catering available for events! Located in the heart of Oceanside, we use quality ingredients for an out-of-this-world burger experience. Your burger universe awaits! ✨
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Reviews
4.5(365)
Brett C.
1/1/2026
Cosmo Burger. What can I say? Unexpectedly, one of the top 5 burgers in my life. After I finished I had to ask for the manager and compliment the quality of my burger. Atmosphere: 4 Stars....
Tanya P.
1/11/2026
My first time eating here an it was delicious. Possibly have a heart attack from the grease and cheese but definitely worth it. Came by in the afternoon and it wasn't busy. Bonus: got a window...
Mert C.
12/27/2025
I really enjoyed my burger. It was juicy, well-cooked, and clearly made with quality ingredients. The staff was genuinely friendly and welcoming. They also have a great variety of burgers. I...
Joriene M.
1/26/2026
Cosmos Burger ($13) - This is my new favorite North County burger spot. The Cosmos Burger is as close to a perfect burger as it gets. The two patties were perfectly grilled and so tender,...
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