I'm a deals hunter — 5 queen mattresses under $400 to shop this weekend

A close up of the Cool Gel Memory Foam Mattress on a bed frame in a bedroom, with three cushions resting against the headboard. A Tom's Guide Price Drop deals badge (left)

(Image credit: Cool Gel / Future)

At Tom's Guide we're experts at spotting mattress deals, so even though the July 4th and Prime Day sales have come to an end, we've found a saving for every sleep style. Including the Cool Gel all-foam mattress only $348 for a queen at Amazon — perfect for the summer heatwaves.

These budget beds might not have the the durability of the best mattresses we've tested, but they should still deliver sleep comfort. And they all either come from brands we've tried and recommended or have a bucket load of positive customer reviews.

Every mattress in this guide is under $400 for a queen, so if you're looking to spruce up your spare room, these are the best mattress sales to please both your guests and your wallet.

1. Cool Gel 12" Memory Foam Mattress (queen): was $368 now $348 at Amazon
Struggling to sleep in the summer heat? While the budget-friendly Cool Gel Mattress might not have the impressive temperature regulation of our top-rated cooling mattresses, we think it should still help you enjoy a more refreshing night's rest. And it won't break the bank, with a queen now only $348 at Amazon. Reviews indicate the 12" model is on the firm side of medium-firm so if you want something more plush, upgrade to the 14" option, now $509 for a queen (down from $569.)

2. Serta Five Star Tranquility 10" Plush Mattress (queen): was $499 now $374 at Amazon
You'll need an Amazon Prime account to snag this saving but for members, the queen Serta Five Star 10" is now only $374 (and if you aren't a member, we have all you need to know about joining Amazon Prime.) From Serta, the Five Star Mattress uses a multi-layered design to pair support with cushioning. Serta claims this model is 'Plush' which should give it a pressure-relieving feel similar to our favorite mattresses for side sleepers. There are rare savings across the line-up and if you want the true Five Star experience, consider upgrading to the 12" Plush, now $419.30 for a queen (was $599.)

3. Brooklyn Bedding 12" Memory Foam Hybrid Mattress (queen): was $504 now $268 at Walmart
Brooklyn Bedding makes some of the best hybrid mattress we've tested and this budget-friendly model is ideal for a guest room (or a college dorm, if you need a mattress for the kids that are flying the nest.) Reviews suggest the 12" model delivers a medium firmness that should suit back and side sleepers. If you have a bigger budget, the Brooklyn Bedding CopperFlex mattress line-up will deliver better durability. But for an affordable sleep solution, this is a bargain at $268 for a queen.

5. Zinus Spa Sensations Green Tea 10" Memory Foam Mattress (queen): was $288 now $168 at Walmart
This isn't the exact same model we tested in our Zinus Green Tea Memory Foam Mattress review but we think it will deliver a similar cushy comfort that's ideal for side sleepers. As a budget all-foam bed with a sink-in feel we suspect it will have a tendency to trap heat, so you might want to invest in cooling bedding to see you through the summer. And with a queen only $168 in Walmart's rollback sale, you should have room in the budget for some of our favorite cooling sheets.

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Ruth is a staff writer at Tom’s Guide, covering all things mattress and sleep. She has a deep interest in the link between sleep and health, and has tried enough mattresses to know the right bed really can make a difference to your wellbeing. At Tom’s Guide she writes to help people sleep better, from how-tos to the latest deals to mattress reviews, and has interviewed an array of specialists who share her passion. Before joining the team at Tom’s Guide, Ruth worked as a sleep and mattress writer for our sister website, TechRadar.

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