Our Picks at a Glance
| Pick | Best For | Type | King Price (Oct 2026) |
|---|---|---|---|
| PlushBeds Signature Bliss | Best overall | Latex hybrid | $2,349 |
| Aviya | Choosing firmness | Foam and coil hybrid | $1,849 |
| Spindle Organic Latex | Split firmness for couples | All latex | $1,999.99 ($2,299.99 split) |
| EcoTerra Hybrid Latex | Organic on a budget | Latex hybrid | $1,319 to $1,324 |
| Essential by Layla | Lowest price | Memory foam | $699 |
How We Chose
Most king buyers are couples, so we weighted motion isolation, edge support (couples use more of the surface), options for different firmness preferences, and temperature, since two bodies generate more heat. We list each brand's king price as of October 8, 2026. A California King (72 × 84 in.) is narrower and longer; most picks below price it the same as a standard King.
1. PlushBeds Signature Bliss: Best King Mattress Overall
The Signature Bliss works especially well as a king. Its 5-zoned individually wrapped coils let each sleeper's side move independently, so one partner turning over is less likely to wake the other. The organic cotton and wool pillow top over 3 inches of organic Dunlop latex is comfortable for both side and back sleepers, and the coils keep air moving, which helps two people sleep cooler.
The King and Cal King were $2,349 on sale in October 2026, and a Split King was $3,598. The 365-night money-back guarantee gives both of you a full year to decide, and the warranty is lifetime.
| Type | Latex hybrid with pillow top, 14 in. |
|---|---|
| Firmness | Medium or Medium-Firm |
| King / Cal King (Oct 2026) | $2,349 on sale |
| Split King (Oct 2026) | $3,598 |
| Trial / Warranty | 365-night money-back guarantee / lifetime |
Pros
- Wrapped coils for motion isolation
- Comfortable for side and back sleepers
- Split King available
- Year-long guarantee
Cons
- Premium price
- Heavy king to move
Read our full PlushBeds Signature Bliss review.
2. Aviya: Best King for Choosing Firmness
Aviya's king offers three firmness levels and a foam-encased edge, which helps when two people use the full width. Its individually wrapped coils help reduce motion transfer. It is made in Cleveland, Ohio.
The King and Cal King were $1,849 in October 2026, with a 100-night trial and a 10-year full replacement warranty.
| Type | Coil hybrid, 13 in. |
|---|---|
| Firmness | Plush, Luxury Firm or Firm |
| King / Cal King (Oct 2026) | $1,849 |
| Trial / Warranty | 100 nights / 10-year full replacement |
Pros
- Three firmness choices
- Reinforced edge
- Mid-range price
Cons
- Both sides share one firmness
- Shorter trial
Read our full Aviya review.
3. Spindle Organic Latex: Best King for Different Firmness Needs
When partners need different firmness, a split-firmness king solves it without a gap down the middle. Spindle's split King uses separate stacks of organic latex layers on each side, which you can rearrange or replace later.
The standard King was $1,999.99 on sale in October 2026, and the split-firmness King was $2,299.99. There is a 120-night trial and a 10-year limited warranty.
| Type | All latex, three 3 in. layers |
|---|---|
| King (Oct 2026) | $1,999.99 on sale |
| Split-firmness King (Oct 2026) | $2,299.99 |
| Trial / Warranty | 120 nights / 10-year limited |
Pros
- Different firmness on each side
- Adjustable later
- Organic latex
Cons
- Self-assembly
- Heavy layers
Read our full Spindle Organic Latex review.
4. EcoTerra Hybrid Latex: Best Budget Organic King
EcoTerra's King was $1,319 (Medium) or $1,324 (Medium-Firm) in October 2026, making it the lowest-cost organic latex king we cover. It uses GOLS organic latex over encased coils, with a GOTS organic cotton and wool cover and no polyurethane foam.
It has a 90-night trial and a 15-year limited warranty.
| Type | Latex hybrid, 11 in. |
|---|---|
| Firmness | Medium or Medium-Firm |
| King / Cal King (Oct 2026) | $1,319 to $1,324 |
| Trial / Warranty | 90 nights / 15-year limited |
Pros
- Organic latex at a lower price
- Coils for airflow
Cons
- No split option
- 90-night trial
Read our full EcoTerra Hybrid Latex review.
5. Essential by Layla: Best Cheap King Mattress
At $699 for a King in October 2026, the Essential by Layla is the least expensive king we cover. It is a 9-inch memory foam mattress with CertiPUR-US foams, and Layla says it is fiberglass-free.
Memory foam isolates motion well, which suits couples, but it can sleep warm and has less edge support than hybrids. There is a 120-night trial with free returns and a 10-year warranty.
| Type | Memory foam, 9 in. |
|---|---|
| King (Oct 2026) | $699 |
| Trial / Warranty | 120 nights, free returns / 10 years |
Pros
- Very low king price
- Good motion isolation
Cons
- Can feel warm for two
- Less edge support
Read our full Essential by Layla review.
King Mattress Buying Guide
King vs Cal King vs Split King
| Size | Dimensions | Best For |
|---|---|---|
| King | 76 × 80 in. | Most couples; maximum width |
| California King | 72 × 84 in. | Taller sleepers; narrower rooms |
| Split King | Two 38 × 80 in. Twin XLs | Adjustable bases, different firmness per side |
See all dimensions in our mattress sizes guide.
King Prices Compared
US dollars, October 2026
Room Size
A king works best in a bedroom of at least about 12 × 12 feet, leaving space to walk around the bed and open drawers. Measure doorways and stairwells too; compressed, boxed mattresses solve most delivery problems.
What Couples Should Prioritize
- Motion isolation: wrapped coils, latex or memory foam.
- Edge support: so the full width is usable.
- Temperature: coils and natural fibers handle two people's heat better.
- Different preferences: split designs or a middle-ground medium.
Our best mattress for couples guide covers these in depth.
Foundations and Frames
King mattresses need center support. Use a frame with a center rail and legs, or a platform with closely spaced slats. Many king foundations come as two Twin XL halves, which are easier to move upstairs.
Bedding Costs
Remember that king sheets, protectors and duvets cost more than queen sizes, and tall mattresses need deep-pocket sheets.
King Trials, Warranties and Delivery
| King Mattress | Trial | Warranty | Delivery Notes |
|---|---|---|---|
| PlushBeds Signature Bliss | 365 nights | Lifetime | Optional setup service for a fee |
| Aviya | 100 nights | 10-year full replacement | Ships from Ohio |
| Spindle Organic Latex | 120 nights | 10-year limited | Arrives as layers you assemble |
| EcoTerra Hybrid Latex | 90 nights | 15-year limited | Compressed delivery |
| Essential by Layla | 120 nights, free returns | 10 years | Compressed delivery |
Kings are heavy and awkward to return, so trial terms matter more than with smaller sizes. Check whether a return requires you to arrange pickup and whether any fee applies.
Do You Really Need a King?
A queen gives each person 30 inches of width, roughly the width of a crib mattress. A king gives each person 38 inches, the width of a Twin XL. If you share with a partner who moves a lot, a child or a pet that joins you at night, or you are both taller or broader, the extra width is noticeable. If your bedroom is small or your budget is tight, a good queen may serve you better than a mediocre king. Our mattress sizes guide compares every size.
Split Kings and Adjustable Bases
If you plan to use an adjustable base where each partner raises their side independently, you need a split king: two Twin XL mattresses side by side. PlushBeds listed the Signature Bliss Split King at $3,598 in October 2026. A split king also lets each partner choose a different firmness if the brand allows it. The trade-off is a seam down the middle, which some couples notice when they want to cuddle.
King Size Mattress FAQ
How Big Is a King Size Mattress?
A standard king is 76 × 80 inches. A California King is 72 × 84 inches.
What Is the Best King Size Mattress?
Our top pick is the PlushBeds Signature Bliss, which was $2,349 for a king on sale in October 2026, with zoned coils and a 365-night money-back guarantee.
What Is a Split King?
Two Twin XL mattresses side by side, used with split adjustable bases or when partners want different firmness.
Is a King or Cal King Better?
A king is wider; a Cal King is longer. Couples usually prefer the width of a king, while taller sleepers may prefer a Cal King.
What Is the Cheapest Good King Mattress?
The Essential by Layla was $699 for a king in October 2026, with a 120-night trial and free returns.
Ready to Choose? Start With Our #1 Pick
The PlushBeds Signature Bliss is our best overall mattress, with certified organic materials, two firmness options and a 365-night money-back guarantee.
Check Signature Bliss Price