Prime Day may be over, but Prime Day mattress deals are still available. For example, Amazon still offers mattress deals, but the majority of Prime Day mattress deals now come from the mattress manufacturers themselves.

Retailers are offering steep discounts on some of the best mattresses. You may have to go beyond Amazon to find them. With these post-Prime Day deals, you'll be on your way to better bedding from many major brands.

Unlike sales on other items, Prime Day mattress deals are available not from Amazon, but from mattress manufacturers; Nectar, Saatva, Cocoon by Sealy, and Avocado have all surpassed Amazon prices in the past! They are just a handful of mattress makers, and still are.

Still, Amazon is also a bargain mattress retailer. If you're looking for a solid mattress at the lowest possible price, you'll find Prime Day deals on Amazon on brands like Lucis and Zinus. However, for the best deals on beds from the top mattress choices, we recommend sticking with the mattress manufacturer.

Not only are prices lower, but the big brands make it easier to return mattresses and offer better support and warranties than Amazon. With Prime Day fast approaching, we have compiled the best Prime Day mattress deals across all retailers.