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Checked Oct 18, 2026, 10:10 AM ET
Cheapest California King Foam Mattress
We compared the california king size of 8 foam mattresses from 4 brands. The cheapest in stock right now is the The Keetsa Cloud® at $1,590.
| # | Mattress | California King price | Stock | |
|---|---|---|---|---|
| 1 | The Keetsa Cloud® Keetsa · Foam mattress | $1,590 | ✅ In stock | Check ↗ |
| 2 | The GravityLux Soft WinkBeds · Foam mattress | $2,199 | ✅ In stock | Check ↗ |
| 3 | The GravityLux Medium WinkBeds · Foam mattress | $2,199 | ✅ In stock | Check ↗ |
| 4 | The GravityLux Firm WinkBeds · Foam mattress | $2,199 | ✅ In stock | Check ↗ |
| 5 | The Keetsa Supreme Keetsa · Foam mattress | $2,390 | ✅ In stock | Check ↗ |
| 6 | Original Lull Mattress Lull · Foam mattress | $3,140 | ✅ In stock | Check ↗ |
| 7 | Starling Signature Contour Nest Bedding · Foam mattress · Medium | $3,173 | ✅ In stock | Check ↗ |
| 8 | Original Premium Mattress Lull · Foam mattress | $3,998 | ✅ In stock | Check ↗ |
Store buttons go straight to the brand's own product page. No affiliate tags yet. Prices are the listed price on the brand's site at our last check (Oct 18, 2026, 10:10 AM ET); coupons at checkout can make it lower. Disclosure
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How we rank
Every row is the lowest listed California King price for that model on the brand's own site at our last check, including different firmness or cover options. In-stock models come first. Foam means no coil layer. Coupons at checkout and bundles aren't included, so the price you pay can be lower. Split-king "one side" prices are left out so you compare whole beds.