Best overall

Independent testers liked it for side sleepers, back sleepers, stomach sleepers and heavier people. (NapLab)
73 mattresses · 31 makers
Updated Oct 26, 2026 · 31 makers’ own size lists checked · findings from 11 independent testing sites · How we pick
Mattresses for heavier people are firmer and thicker, with stronger coils or denser foam, so they don’t sag or bottom out under more weight. They suit sleepers over about 230 lb and couples with a high combined weight.
We’ve gathered every mattress for heavier people we could find into one list: 73 from 31 makers, in every size they come in.
How we check: Mattresses independent reviewers found supportive for people over about 230 lb, plus heavy-duty models the maker builds for heavier sleepers.
In your size
From what independent reviewers found in their testing. Ordered by the evidence, not by commission.
Best overall

Independent testers liked it for side sleepers, back sleepers, stomach sleepers and heavier people. (NapLab)
Best for side sleepers

Rated suitable for all positions up to 300 lb. (NapLab)
Best for back sleepers

Firm side suits back sleepers. (Sleep Doctor, Nonbiased Reviews)
Best for heavier people

Suitable for all positions up to heavier weights. (NapLab)
Each shows why it’s on this list. Best-reviewed first.






























































Most are sold by their makers online. 31 makers below; each mattress links to the maker’s own page for your size.
Mattresses independent reviewers found supportive for people over about 230 lb, plus heavy-duty models the maker builds for heavier sleepers.
12 in RV king (72 × 80), 10 in Bunk (36 × 84) (36 × 84), 9 in Short queen · 74-inch (60 × 74), 4 in Short king (72 × 75), 3 in Short queen (60 × 75), 3 in Olympic queen (66 × 80). Each is sold in exactly those inches, from the maker’s own size list.
Mostly online from the maker: Therapedic (12), Helix (11), Paramount Sleep (8), Brooklyn Bedding (4), RVMattress.com (4) and 26 more.