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  • 84 inches long by 72 inches wide
  • California king size is available for all GhostBed mattresses, including the GhostBed Classic, GhostBed Flex, GhostBed Luxe and GhostBed 3D Matrix®
  • Compare all mattresses here

Feel like Royalty

As the longest and widest mattress option, the California king allows you and your partner to stretch out in every direction

Invite the Whole Family

With extra room to spare, you’ve got space to relax with kids and pets, too

  • Fast, free shipping
  • 101-Night Sleep Trial
  • Industry-leading 20+ year mattress warranty
  • Mattresses proudly made in USA & Canada
Included:
  • 1 Twin XL Adjustable Base (37″ x 79″ x 14″)
  • 1 Queen Adjustable Base (58.5″ x 79″ x 14″)
  • 2 Twin XL Adjustable Bases (74″ x 79″ x 14″ total area)
  • 2 Wireless Remotes
  • 1 Wireless Remote
  • 4 USB Ports
  • 3-Piece Legs (12″ total height)
Included:
  • 1 Twin 14″ height foundation (38″ x 73″ x 14″)
  • 1 Twin XL 14″ height foundation (38″ x 79″ x 14″)
  • 1 Full 14″ height foundation (53″ x 73″ x 14″)
  • 1 Queen 14″ height foundation (59″ x 79″ x 14″)
  • 1 King 14″ height foundation (76″ x 79″ x 14″)
  • 1 Cal King 14″ height foundation (72″ x 83″ x 14″)
  • 2 Twin XL 14″ height foundations (76″ x 79″ x 14″)
  • Slip-on contemporary cover
  • Universal headboard brackets
  • Lifetime warranty on frame; 1-year warranty on fabric cover

1 Pillowcase; 1 Top Sheet; 1 Fitted Sheet

1 Pillowcase; 1 Top Sheet; 1 Fitted Sheet

2 Pillowcases; 1 Top Sheet; 1 Fitted Sheet

2 Queen Pillowcases; 1 Top Sheet; 1 Fitted Sheet

2 Queen Pillowcases; 2 King Pillowcases; 1 Top Sheet; 1 Fitted Sheet

2 Queen Pillowcases; 2 King Pillowcases; 1 Top Sheet; 1 Fitted Sheet

2 Queen Pillowcases; 2 King Pillowcases; 1 Top Sheet; 2 Fitted Sheets

Dimensions: 38″ x 75″ x 0.25″
Dimensions: 38″ x 80″ x 0.25″
Dimensions: 53″ x 75″ x 0.25″
Dimensions: 60″ x 80″ x 0.25″
Dimensions: 76″ x 80″ x 0.25″
Dimensions: 72″ x 84″ x 0.25″
Dimensions: 2 Twin XL Protectors (38″ x 80″ x 0.25″)
Includes: 1 ${ selectedVariant.option1 } ${ selectedVariant.option2 } Luxury Silk Pillowcase
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40% Off + Free Warranty!
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Sleep Better, Longer and Cooler with
GhostBed

Award-winning mattresses for back pain, couples, hot sleepers & more

Top Rated Mattress

Mattress Advisor

Top Rated Mattress (2021)

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Best Hybrid Mattress

Rizknows

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Sleepopolis

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Best Mattress for Back Pain

Best Mattress Picks

Best Mattress for Back Pain (2021)

Shop the Best Cal King
Memory Foam & Hybrid Mattress

Experience the best in cooling, comforting sleep technology with GhostBed! Made with the highest-quality materials, our Cal king size mattresses have helped thousands of people get a great night’s sleep. Learn more below.

Shop the Best

Is a Cal King Mattress Right For Me?

Slightly taller than a regular king (by 4 inches), a California king mattress is a great choice for couples and taller body types thanks to its generous size.

Consider a California king size mattress for…

Larger master bedrooms

Large master bedrooms:

The recommended room size for a king bed starts at 12x12, depending on how much additional furniture you have.

Taller body types

Taller body types:

Need a few extra inches? A California king gives you 4 more so you can stretch out.

Extra companions

Extra companions:

Invite a child or pet to snooze with you, without sacrificing too much space or comfort.

What Are the Dimensions of a Cal King Mattress?

The size of a California king mattress is 84 inches long and 72 inches wide. This is 4 inches taller than a regular king, although you sacrifice 4 inches in width.

Twin

TWIN

38" x 75"

TWIN XL

38" x 80"

Full

54" x 75"

QUEEN

60" x 80"

KING

76" x 80"

CAL KING

72" x 84"

SPLIT KING

38" x 80" (Combined)

Comparing GhostBed's Cal King Mattresses

Ready to find your perfect sleep match? See how our cal king mattresses stack up below.

GhostBed Classic logo GhostBEd Classic thumbnail
  • Yes Ideal for every sleeper type, including side, back, stomach and combo
  • Yes Perfect for kids transitioning to a larger bed
  • Yes Medium-firm feel for optimal comfort & long-term support

4.7 Rating

4.7
Rated 4.7 out of 5 stars
4.7 Stars (11,406 Reviews)

Best For All
Sleeper Types

$1,825 $1,095 or

As Low As

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GhostBEd Flex logo GhostBed Flex thumbnail
  • Yes 7 layers of hybrid comfort—perfect for those who want a blend of supportive coils and comforting gel memory foam
  • Yes Medium feel that hugs and contours your body

4.7 Rating

4.7
Rated 4.7 out of 5 stars
4.7 Stars (933 Reviews)

Best For
Pressure Relief

$2,015 $1,209 or

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GhostBed Luxe logo GhostBed Luxe thumbnail
  • Yes Patent-pending 2-stage cooling features keep you sweat-free throughout the night
  • Yes Medium-plush feel contours like you’re sleeping on a cloud, while providing optimal support

4.8 Rating

4.8
Rated 4.8 out of 5 stars
4.8 Stars (2,238 Reviews)

Best For
Hot Sleepers

$3,315 $1,989 or

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GhostBed 3D Matrix logo GhostBed 3D Matrix thumb
  • Yes Patented gel polymer layer adjusts to your body temperature to keep you cool
  • Yes Reinforced coils provide support and durability
  • Yes Soft transition foam contours beautifully to your body

4.7 Rating

4.7
Rated 4.7 out of 5 stars
4.7 Stars (333 Reviews)

Best for
Support + Cooling

$4,415 $2,649 or

As Low As

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Which Mattress Size is Best for Me?

To find your ideal mattress, consider the size and type of room as well as who will be sleeping on it.

Twin

Room: Small room, studio apartment, kids' room (including bunk beds)

Sleeper​: Kids, small or short body types

Twin XL

Room: Small room, studio apartment, dorm room

Sleeper​: Kids, tweens, teens, singles with taller body types

Full

Room: Medium-size room, guest room

Sleeper​: Kids with sibling, tweens, teens, singles

Queen

Room: Master bedroom, guest room

Sleeper​: Singles with pet(s), couples

King

Room: Large master bedroom (at least 12x12)

Sleeper​: Couples, couples with a child and/or pet(s)

Cal King

Room: Large master bedroom

Sleeper​: Taller body types, couples with a child and/or pet(s)

Tip: Still not sure? Use our mattress dimension guide to find your perfect fit.

Mattresses Proudly Made in USA & Canada

GhostBed Mattresses Are Proudly Made in USA & Canada

Not only does that mean we ship faster than other mattress companies, but we’ve also got the best customer service in the biz.