Firm Mattresses

4 firm mattresses from BedStory, Serta, Sleep On Latex and more. Price: $239.99.

Dyonery

Queen, Memory Foam, Firm, 8 to 10 in

+Queen size suits couples and most bedrooms

+CertiPUR-US certified foam

+Gel memory foam built for cooling

−Firm feel may not suit side sleepers who want softness

$239.99

as of 11/03/2026 22:46 PST - Details

Generic

King, Memory Foam, Firm, 8 to 10 in

+King size fits two sleepers or a larger frame

+Memory foam conforms to the body

+CertiPUR-US certified foam

−Firm feel may feel hard for side sleepers

No price recorded yet.

Generic

Queen, Hybrid, Firm, 8 to 10 in

+Queen size fits standard queen bed frames

+Hybrid construction combines foam and coil support

+CertiPUR-US certified foam

−Thinner 8 to 10 inch profile than many hybrid mattresses

No price recorded yet.

Generic

King, Hybrid, Firm, 8 to 10 in

+Firm feel for sleepers who want firm support

+Hybrid build combines springs with memory foam

+Boxed for delivery to a doorway

No price recorded yet.

Compare specs

Size	Type	Firmness	Thickness	Spec score	Price
Queen	Memory Foam	Firm	8 to 10 in	n/a	$239.99 as of 11/03/2026 22:46 PST - Details
King	Memory Foam	Firm	8 to 10 in	n/a	No current price
Queen	Hybrid	Firm	8 to 10 in	n/a	No current price
King	Hybrid	Firm	8 to 10 in	n/a	No current price

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.