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    Cosmos Burger

    4.5 (381 reviews)
    Closed 11:00 am - 9:45 pm

    Order Cosmos Burger Takeout or Delivery

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    COSMOS BURGER ATMOSPHERE

    What's the vibe?
    Casual
    Touristy
    Trendy
    Outdoor seating

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    Recommended Reviews - Cosmos Burger

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    Monkey Fries
    Tanya P.

    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 seat and people watched while eating. I ordered two Better Mac burgers, Monkey fries and two daft beers Me and a friend were having lunch Not a bad price for all of it. Burger was juicy and flavorful The fries crispy and good with bacon and cheese. Definitely nothing was disappointing If I'm in O'side again I'll be hitting this place up

    Cosmo burger
    Brett C.

    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. Kind of a trendy vibe. Service: 5 Stars for friendliness. Value: 5 Stars. More expensive than the rest but it was my day off and I wanted to treat myself to something that might be worth it. Quality: 5 Star. It feels expensive and rare but I felt like I got a burger that was worth the money I paid for it.

    Alan S.

    Probably one of the best fried chicken sandwiches I have had at a restaurant and this is not in comparison to like Chick-fil-A or a fast food chicken sandwich, but we're talking about a storefront that really prides itself in burgers. They are actually making an amazing crunchy perfectly sauced with pickles type of chicken sandwich that you can eat and enjoy your meal. The sauces you have a variety from their house sauce to a mustard sauce that's very specific to each of the burgers and sandwiches. I would have to just rave about the unique brioche bun that they use then the sauce that they include inside, which is a mayo type of mix with the pickles and then you have the actual dipping sauce that I don't know how I can describe so overall great place to have lunch and I would say they have a variety of sides like tater tots and french fries and onion rings my friend and I opted for the onion rings and I'm really glad I did because they were very crunchy not overcooked and it was probably not the healthiest meal, but it tasted delicious.

    Cosmos Burger
    Joriene M.

    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, flavorful, and juicy. They nailed the caramelized onions and blew me away with their Cosmos sauce, which was like an elevated In-n-Out spread with hints of garlic. Highly, highly recommend!

    Cosmos Burger
    Lilian W.

    Cosmos Burger is a restaurant located in the downtown Oceanside area. There's street parking nearby. It is walkable to the beach and pier. The burgers and fries were pretty good- it's not the cheapest, but still affordable for the portion size and quality. I tried the Cosmos Burger for $13 and the Chicks fries for $12. The burger felt like a standard cheese burger, but the chicks fried is the true stand out for me - the flavors of all components married each other well, and the fries were cooked to perfection. The surrounding areas walking to the restaurant can feel sketchy. Walk with a friend, not alone. There were suspicions characters lurking around the block that called others unkind names. Overall, I recommend coming here for a quick bite when visiting Oceanside.

    The Chicks Sandwich meal

    Wanted to try a new burger spot but sadly left highly dissatisfied. My bf and I ordered a chicken sandwich & a regular burger meal that came with either tots/fries plus a drink. Every single one of their sodas were flat and the ice part of their soda machine looked so disgusting we opted out of ice completely. There was black stuff all on the inside and it looked moldy. It made it hard to enjoy a drink thinking about it. The Chicken lacked flavor completely and the fries were basic. The burger was VERY greasy overall, the tater tots were probably the best part of the meal which was $40 plus tip we spent $50 on a meal we will not be eating again. Although the ladies working were pretty nice and checked on us throughout the meal, I wouldn't recommend this place.

    Lorean W.

    Smash burger was delicious and good flavor and size. So many good choices and hard to choose. I tried their tots and they were the best I've had! service was great and friendly. it's right on the main street and has an open air dining area plus bar. This may become my new favorite smash burger place!!

    Bbq burger and Monkey fries.
    Mikey S.

    I had the BBQ burger. It had 2 onion rings, house made bbq sauce, bacon, and cheddar, on a brioche bun. It was absolutely delicious. All the components were perfect and the burger patties were very flavorful and juicy. The monkey fries were tasty as well, with bacon, house sauce, green onion and served with spiced sour cream. Fast service with takeout. Parking is a bit tricky, it's right on a main drag, but I would circle the block a few times, no problem, because the food was kick ass.

    Truffle Honey Tenders
    Roger P.

    We've heard multiple reports that Cosmos has the best burger in San Diego and had to check it out for ourselves. There are two locations but we wanted to visit the Oceanside location since I was wary of the quality of the Carlsbad food court location. We arrived late in the afternoon on a Saturday and managed to snag street parking right in front of the restaurant. They don't have a dedicated lot so you might have to circle around the block during peak hours. The restaurant itself is kind of small with a handful of tables and counter seats. I like that the windows all have high-top tables and you could people watch while eating. We ordered a lot for two people to try as much as we could. The food came out really fast but I wonder if that's the norm or if it was just because we were the only customers. Everything is brought out to your table and on pretty aesthetic-looking plates so the vibes felt a little classier than a fast food restaurant. Tater Tots and Truffle Fries: Both come with a decent amount and are great shareable sides. These came out crispy and the truffle smelled so good. On the menu, they only advertise truffle for the fries but I saw another group get truffle tots and I would've ordered that if I had known. Truffle Honey Chicken Tenders: Comes with 3 pieces and wow! These were some of the crispiest tenders I've had, even though they were covered in the sticky, honey sauce. And even though it was white meat, there was not a single tender that was dry. Highly recommend! Cosmos Burger: Toasted buns, double smashed patties with crispy edges...everything you'd expect from a high-quality smashburger. I thought their cosmos sauce was a little salty and it kind of made a mess but overall, it was a good burger. Although not my favorite smashburger in SD, it's definitely in my top 3. It's also nice that they offer more than just burgers for people craving anything else.

    Sign
    Sal F.

    In support of "Cosmos", drove from east county to try the Burger, tots, and homemade lemonade. Yeap, it was right on time really good service, food, atmosphere, and clean. I have to give the City of Oceanside...praise, and kudos for making parking very easy. Thank you

    Veggie cauliflower burger
    Brendt M.

    I got the veg. Burger. Fries w bacon on the side for carnivores. Parents got the blue cheese burger. It was all tremendous! Worth it.

    Felina V.

    I had been dying to try Cosmos Burger! It did not disappoint. Dad and I met for a Friday lunch and left feeling happy, buzzy, and full! We tried the Spicy Jam & the Better Mac - both phenomenal! And those Monkey Fries are like animal style fries on UPPERS! lol! So tasty! Quick service, cute vibes.

    The inside of the restaurant.

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    2 years ago

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    2 years ago

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    7 months ago

    Absolutely amazing burger with special sauce! Tasty, juicy and cooked perfectly We'll definitely be doing this again

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    7 months ago

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    3 years ago

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    6 months ago

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    7 months ago

    Wife and I got food poisoning here. Completely ruined a birthday weekend between my wife and I.

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    9 months ago

    Great food and great service! The hotdog was amazing! Will definitely tell all my friends about it!

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    Page 2 of 10

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    Ask the Community - Cosmos Burger

    Is there parking?

    Just general "downtown Oceanside" street and lot parking. There is not a dedicated lot just for this restaurant

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    Roostr Yard - Garlic bread and Chicken

    Roostr Yard

    4.5(81 reviews)
    4.0 mi
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    5 stars for customer service! We came in a bit later in the evening to grab dinner after swim…read morelessons. We arrived around 7ish to a full house and although they close at 8pm, they were still happy to serve us despite a 20-30 min wait prepping other orders, and they did not rush us to leave finishing our dinner. We ordered a platter, that came with coconut rice and garlic bread, elote mac and cheese, fried brussels and carrot cake! The chicken was delicious crispy, juicy and flavorful and was def the highlight of the meal along with carrot cake. The variety of sauces made something for everyone even though the chicken didn't even need sauce. The mild sauces were a hit for our fam. They offer soda water alongside regular water and fountain drinks which was highly appreciated, we are a bubbly fam! I love the idea of the coconut rice but also offering plain white rice would be a great option, as well as fresh steamed veggies or a side salad option. The elote mac and cheese didn't quite hit the spot for me but I would try the regular mac next time! The dining room had indoor and outdoor option, love the casual concrete dining style. They were super mindful of cleaning tables for new folks to sit down among the busy dining room. Plenty of parking in the lot but can see it getting full quickly as it seems to be a relavtively new plaza with more food biz still opening up. Would come back again for the chicken and try some of the other sides!

    I met my brother here for lunch on his recommendation, and wow--it was amazing. The chicken…read moresandwich was easily one of the best I've ever had. It was incredibly juicy and tender, and their special sauce is just plain addictive. They have plenty of seating both inside and outside. We sat on the patio, which was perfect with the umbrellas providing great shade. The experience was excellent from the moment we walked in. We were warmly greeted, our order was taken right away, and the food was delivered to our table quickly. Kudos to the staff--the entire restaurant was spotless and well‑run. Roostr Yard is officially my new favorite spot for a chicken sandwich. Can't wait to come back!

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    Roostr Yard - Half Chicken Plate

    Half Chicken Plate

    Roostr Yard - Mac and cheese and garlic bread l! Yum

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    Mac and cheese and garlic bread l! Yum

    Eat Crispy Burger - Single Cali Crispy Burger

    Eat Crispy Burger

    4.2(78 reviews)
    0.0 mi
    $$

    I have only had it delivered, and they have been the crispiest French fries and onions rings ever…read more Absolutely obsessed. Ate it two days in row, and made my friends get something in the second day. I had the impossible burger both days, the bun is dreamy and soft! I couldn't probably eat this every day for the rest of my life. Dramatic sounding I know, but it was so delicious and I'm a little picky with onions rings and I loved them. My vegan friend had the impossible without cheese and she loved it as well! Highlight recommend

    I'm sure this burger appeals to a lot of people, but not really my thing…read more I ordered from here since there wasn't much else around that I could order DoorDash from. We were staying at the Mission Pacific Hotel a few blocks down. Food: I don't eat meat, so I got their impossible burger. I know, its not real beef so I shouldn't judge this place based on that, but it was pretty greasy though. More greasy that other impossible burgers I've had. I assume they probably used the same grill as their normal beef patties, so I can only imagine those are just as greasy. I felt like I just downed a bottle of oil after eating it. The place was in shambles when I walked in. Chairs were all over the place, trash on the ground, tables were dirty. I felt like I walked into a dirty burger joint. I'm dropped 1 star for the place being a mess, and 1 star for the oily burger. I only been there once, so maybe I went on an off day.

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    Bar area

    Eat Crispy Burger - Double OG w bacon and fries

    Double OG w bacon and fries

    Eat Crispy Burger

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    Cosmos Burger - burgers - Updated May 2026

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