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As Low As
- 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
- 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)
- 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
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As Low As
Sleep Better, Longer and Cooler with
GhostBed
Award-winning mattresses for back pain, couples, hot sleepers & more
Mattress Advisor
Top Rated Mattress (2021)
Mattress Clarity
Best Mattress for Couples (2021)
Rizknows
Best Hybrid Mattress (2021)
Sleepopolis
Best Mattress for Couples (2021)
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.
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…
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:
Need a few extra inches? A California king gives you 4 more so you can stretch out.
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
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.
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Ideal for every sleeper type, including side, back, stomach and combo
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Perfect for kids transitioning to a larger bed
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Medium-firm feel for optimal comfort & long-term support
4.7 Rating
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7 layers of hybrid comfort—perfect for those who want a blend of supportive coils and comforting gel memory foam
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Medium feel that hugs and contours your body
4.7 Rating
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Patent-pending 2-stage cooling features keep you sweat-free throughout the night
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Medium-plush feel contours like you’re sleeping on a cloud, while providing optimal support
4.8 Rating
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Patented gel polymer layer adjusts to your body temperature to keep you cool
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Reinforced coils provide support and durability
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Soft transition foam contours beautifully to your body
4.7 Rating
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.
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.
