Mattress Underground has a great buying guide. It's one of the very rare reliable sources of mattress information. Most review sites are owned by mattress brands. Answer from snorkelvretervreter on reddit.com
Costco
costco.com › opt › mattresses-for-side-sleepers
Mattresses For Side Sleepers | Costco
Find the best mattresses for side sleepers at Costco. Enjoy comfort, support, and great sleep with top-rated mattress brands.
NapLab
naplab.com › home › best mattress 2026 – 380+ beds tested & reviewed by our experts › best costco mattress: we test 17 costco mattresses
Best Costco Mattress - 17 Mattresses Objectively Tested
June 27, 2025 - The Kirkland Signature Lakeridge has an overall performance score of 8.08, ranking the mattress among the bottom 18% of all mattresses tested to date. This isn’t the level of performance we’re looking for in a “Best For” pick, but for ...
Videos
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Best Costco Mattress - 17 Mattresses Objectively Tested - YouTube
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What is the best mattress at Costco?
When it comes to value, the Cocoon by Sealy delivers the highest rating for the money. If budget isn't a concern, Tempur-Pedic offers highly rated memory foam mattresses. However, both of these options may pay to buy direct from the brand for added discounts and perks.
slumbersearch.com
slumbersearch.com › costco-mattress-reviews
Costco Mattress Reviews: Guide To The Best Brands (2025)
Is a Costco mattress worth it?
In some cases, yes. Costco offers a wide array of mattress choices, which is great for those that don't know what they want and are on a tight budget, and would otherwise go into a mattress store. However, it may pay to buy direct from online brands, even those sold at Costco, for additional perks and discounts.
slumbersearch.com
slumbersearch.com › costco-mattress-reviews
Costco Mattress Reviews: Guide To The Best Brands (2025)
Are Costco mattresses any good?
Costco sells a wide array of mattresses and some of the options like the Cocoon By Sealy offer a lot of value and comfort. However, some customers report issues with durability, delivery, and returns, which may be alleviated buying direct from the brand.
slumbersearch.com
slumbersearch.com › costco-mattress-reviews
Costco Mattress Reviews: Guide To The Best Brands (2025)
Mattress Clarity
mattressclarity.com › home › best mattress
Best Costco Mattresses (2026) - Mattress Clarity
Leesa Legend – Best Costco Mattress for Side Sleepers (Alternative: Bear Elite Hybrid) Novaform – Best Memory Foam Costco Mattress (Alternative: Nolah Original) Sealy Posturepedic – Best Costco Mattress for Heavy Sleepers (Alternative: ...
Published 1 month ago
Costco
costco.com › home › mattresses
Mattresses | Costco
If you’d like something a little ... comfort and support. Considered the best mattress for side sleepers and people with back pain, a memory foam mattress or mattress in a box is a popular choice....
Sleep Advisor
sleepadvisor.org › home › best mattress
Best Costco Mattress (2025)
February 11, 2025 - Our experience as mattress testers ... opinion—can compete with Costco’s offerings. Testing the Helix Midnight for side sleepers. We give each mattress a firmness rating on a scale from 1 to 10, with 1 being the softest and 10 being the firmest.
Slumber Search
slumbersearch.com › costco-mattress-reviews
Costco Mattress Reviews: Guide To The Best Brands (2025)
I'm a side sleeper and do not wake up with back pain. Very happy with this mattress. A great feature is my wife does not feel me toss and turn / or get in and out. She is a light sleeper and slight movements wake her. On another note, COSTCO and Innocor are great to work with.
Sleepopolis
sleepopolis.com › home › 10 best mattresses of 2026: over 500 tested by sleep experts › best costco mattresses (2026): a whole lot of quality at wholesale prices
Best Costco Mattresses (2025) - Tested by Experts
December 20, 2023 - Edge support is less than I had on my previous non-box mattress, but it hasn’t bothered me yet. “ ... The Leesa Legend is built with luxurious materials like merino wool and organic cotton at a Costco price.
Reddit
reddit.com › r/mattress › best mattress at costco?
r/Mattress on Reddit: Best mattress at Costco?
November 15, 2024 -
Been mattress shopping for a few weeks now and its brutal. One person gives a mattress 5 stars, best sleep ever, and the next person says its garbage and the worst mattress they've ever tried.
So rather than risk it with a super-expensive mattress, I'm going to go the Costco route. Looks like there are a lot of options from Leesa to Casper to Simply Modern to whatever else.
Out of all the options at costco, I'm wondering what the best choice is? Let's say $1600 or less...
I'm leaning toward the Leesa Legend Hybrid or Casper. Would loooove some help here! I'm so nervous about making the wrong call!
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Mattress Underground has a great buying guide. It's one of the very rare reliable sources of mattress information. Most review sites are owned by mattress brands.
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Last year we bought a Stearns Foster from Costco...we hated it, it was way too stiff for us. Sent it back after 6 weeks and got a different one...I don't remember which one...at first it was great but within 3 months it was way too soft. Sent that one back and got Costco's tempur pedic. That was 9 months ago and we still love it. Best sleep ever. Costco's return service was perfect.... same crew each time. They picked up and dropped off same day...let me take pictures for proof of pick up. It couldn't have been easier. I'm not saying you should get the same mattress we did, I'm saying if you get one you don't like the return process is easy.
Costco
costco.com › home › mattress buying guide
Mattress Buying Guide | Costco
There are many types of mattresses that a back sleeper might enjoy, but most find that medium-firm foam mattresses and some medium-firm hybrid mattresses, are the most comfortable. Many side sleepers enjoy a mattress that has soft to medium-soft firmness, with an equal balance of support and ...
NYTimes
nytimes.com › sleep › mattresses › the best mattresses for side sleepers
The 5 Best Mattresses for Side Sleepers of 2026 | Reviews by Wirecutter
1 day ago - Testers loved its cuddly yet supportive feel, though some found it to be too firm. ... Who it’s for: The Novaform ComfortGrande is a memory foam mattress that is best for side sleepers who prefer firmer mattresses or sometimes sleep on their ...
Facebook
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Best Costco mattress?? Back and side sleepers.
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Reddit
reddit.com › r/mattress › best costco mattresses?
r/Mattress on Reddit: Best Costco mattresses?
January 4, 2024 -
Looking for people to post positive experiences they’ve had with Costco mattresses. What was your process? What kind of sleeper? What did you settle on?
Top answer 1 of 7
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I’ve been cycling through quite a few mattresses from Costco. I’m 5’8” 160 pounds with back/neck pain and insomnia worsened by Lyme disease. I sleep on my back. My wife is 5’6” 130 pounds and a side sleeper. She can sleep anywhere. I’ve been having quite a bit of trouble with my sleep. For all of the beds, I broke them in over the first few weeks and rotated them regularly. The mt auburn was too firm for me and generally didn’t feel all that great. It was a decent mattress overall but wasn’t it for me. Like most mattresses without a softer pressure relieving layer, it caused hip stiffness and pain. Sealy posturepedic ridge crest was a step up. The euro top added a decent layer of comfort, but the bed started hammocking within a few months and became uncomfortable to me as I really like an even surface. My wife liked this bed though. We briefly tried the 12” sleep science Sonoma flippable mattress but I couldn’t last more than an hour on it. It felt cheap and unsupportive. The novaform serafina is a decent feeling but firm mattress that I occasionally sleep on at my parents house. Well constructed but I find it to not have enough pressure relief (though maybe it’s not well broken in). The Sleep science 13” Napa is my favorite of them all, but it only comes in a split king and I already have an adjustable base. The memory foam comfort layer is thin but relieves pressure, and the latex layer under that does a great job of easing you into the denser foam beneath. I’ve only slept on it once and it felt great, but when I demo it or lay on it, it feels amazing. Kirkland Stearns and Foster. I had this for the longest, about a year. I wanted to keep this mattress forever but there were a few flaws that ended up disrupting my sleep. The quality of construction and materials feels great. While it came firm, it broke in nicely and was a premium feeling mattress. I ended up adding a 1.5” inch cooling memory foam topper to add just a bit of pressure relief and it felt perfect for a while. After about 9 months, the body indents were starting to make my shoulders shrug upward. The kings ridge pressed on my side as well. And the edge support is too wide, as those springs wear differently than the main support coils. All of these things together caused the usable sleep area to be quite small on the king mattress and it stopped being supportive/comfortable to me. If this stayed how it felt I’d have kept it. Tempur pedic flex prima hybrid. This is the bed I’m currently on, it’s been about 2 weeks, so I don’t have a full review of it, but it’s been decent. I like how uniform the surface feels. It’s quite firm right now, but I’m expecting it to break in a little bit. If it’s a 7.5 firm right now, I think the bed will be great at a 6 or 6.5. It provides great support, but just a bit more pressure relief would go a long way. I might try a 2 inch Tempur pedic topper on it to see if it gives it that softness without losing too much underlying support. Overall, I do think many people (my wife being one of them) would have been happy with many or most of the mattresses I’ve tried. Costco’s return policy is keeping me sane while trying to figure out how to deal with my aches and pains. I’m realizing I should probably turn this into a post haha
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Novaform comfort grande 14" is pretty legit for the price. Had over a year and no complaints.
Yawnder
yawnder.com › guides › costco mattresses: must-have choices that impress
Best Costco Mattresses - 4 Worth Buying
August 3, 2025 - Best for side sleepers: Brentwood Home Oceano Luxury Hybrid Mattress – This mattress features a plush pillow top layer made from natural wool and cotton, which provides pressure relief for side sleepers.
Mattress Nerd
mattressnerd.com › home › mattress reviews › costco mattress reviews
Costco Mattress Reviews (2025) | Mattress Nerd
August 10, 2023 - This bed offers pressure relief at both the shoulders and hips, making it a great fit for side sleepers. Financing options are available for this mattress. ... Molecule is a U.S.-based mattress manufacturer that claims to use sleep science in order to engineer its mattresses to “maximize support, comfort, and heat dissipation for the best recovery-focused sleep” for serious athletes and regular recreational exercisers. Costco carries six variations of the Molecule 1 and Molecule 2.
Reddit
reddit.com › r/mattress › can someone just tell me what bed to get from costco? my spine is dying.
r/Mattress on Reddit: Can someone just tell me what bed to get from Costco? My spine is dying.
November 17, 2025 -
Limiting my search to Costco because I’m in a big city and the pain of heading over to various mattress stores and the woes of delivery are too much. We are 7 years into a nectar mattress and I wake up daily with my lower back soooooo stiff and im hoping it’s just my mattress and not that I’m elderly at age 35. I’m a stomach sleeper and weigh between 120-125 lbs and my partner is ‘ 190 and a back and stomach sleeper. I think? I like firmer mattresses with plushier pillow tops but honestly who knows. Sometimes pure memory foam beds feel too squishy and like I’m sleeping in a giant dog bed. I’m looking at the Novaforms but very open to ideas!
My spine thanks you in advance
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My experience with the Novaform comfortgrande advanced gel memory foam mattress has been unpleasant. I’ve had it for about a year now and I regret purchasing it. The best way that I can explain it is that it feels like a hard marshmallow. It’s hard to move around on because I just sink right in. It has given me nothing but collar bone/shoulder discomfort and more recently it has been giving me lower back pain and hip pain. I’m only in my early 30s, but I’ve never had a bad experience like this with a mattress before. I’m finding myself sleeping sitting up propped up against my pillows just to avoid the pain and discomfort.
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Im sleeping on a bed that is killing my back because mattress shopping is the worst thing a human has to do.
Reddit
reddit.com › r/costco › mattress for side sleeper?
r/Costco on Reddit: Mattress for side sleeper?
December 22, 2024 -
I’m looking for a mattress but I can’t test any of them at my Costco. When my wife moved in we used her foam one and I hate it, my shoulders and lower back hurt every night.
My old one which I loved was a firm mattress with a built in foam top. It was firm enough to support me (6’ 250 lbs), but soft enough with the top that I could sleep on my side.
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Pro tip. Costco really isn’t the best place to get a mattress unless it’s for a guest room
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My weird mattress advice - no Costco related. If you go to a hotel and like the bed, just purchase it from their website. It’s a good “try it before you buy it” way. Yeah there’s probably a bit of a price premium, but at least you know you’re buying what you like.
Reddit
reddit.com › r/costco › looking to buy king size mattress at costco. side sleeper/back, back pain issues, no coils. any suggestions?
r/Costco on Reddit: Looking to buy king size mattress at Costco. Side sleeper/back, back pain issues, no coils. Any suggestions?
May 14, 2025 -
I’m looking to buy King size mattress at Costco after years and man they’re so many different brands now! Details are in the title. Cooling feature might be good to have! It would be for me & my senior pup (I will add waterproof cover). I don’t have a specific budget because I see so many of them at different price point.
Thank you!
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Don't buy a foam bed in a box. They crater way fast. Also, stay away from pillow tops for the same reason.
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I’ve got the 14” Novaform comfort grand and the 3” serenity tempur-pedic topper. I’m also a side sleeper w back issues and put a waterproof cover on, 3 dogs…. It’s been nice and I’d do it again. No dips or dents after a few years now.
Mattress Underground
forum.mattressunderground.com › mattress talk › mattress comparisons
Help Undecisive Newbie Pick A Costco Mattress - Mattress Comparisons - Mattress Underground
November 29, 2024 - Hi, so I definitely need a new mattress and I’ve been in analysis paralysis about it. Currently I sleep on an old innerspring mattress. I’ve read so many horror stories about mattress stores denying returns that I’ve decided just to buy from Costco because of their return policy.
GoodBed
goodbed.com › mattress-questions › 421 › help-choosing-the-right-memory-foam-mattress-from-costco
Mattress Question: "Help choosing the right memory foam mattress from Costco?" - GoodBed.com
Find your perfect mattress match in a few minutes, searching across all major brands and retailers.
Costco
costco.com › home › mattresses
Firm Mattresses | Costco
If you’d like something a little ... comfort and support. Considered the best mattress for side sleepers and people with back pain, a memory foam mattress or mattress in a box is a popular choice....