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- Includes 2 separate twin XL mattresses, each at 80 inches long by 38 inches wide
- Total sleeping area, with 2 mattresses placed side by side, is the same as a traditional king (80 inches long by 76 inches wide)
- Split king size is available for all GhostBed mattresses, including the GhostBed Classic, GhostBed Flex, GhostBed Luxe and GhostBed 3D Matrix®
- Compare all mattresses here
Customize Your Side of the Bed
Pair with a Split King Adjustable Base to change your comfort settings without bothering your partner
Make Moving Easier
2 mattresses are much easier to move than one large unit, whether that’s to a different side of the room or to a new home
- 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 Split King
Memory Foam & Hybrid Mattress
Fall asleep faster and stay asleep longer with the best in cooling, comforting sleep technology. Our top-rated mattresses in the split king size offer individualized comfort for an amazing night of sleep.
Is a Split King Mattress Right For Me?
A split king mattress is the same size as a traditional king, but actually refers to 2 twin XL mattresses placed side by side. This makes it the perfect companion for an adjustable base, as co-sleepers with different comfort preferences can customize each side of the bed. You can also sync both bases to one remote so that it functions as one unit.
Consider a split 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.
Couples:
With its large size, a king mattress is a top choice for couples who want the option to snuggle OR spread 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 Split King Mattress?
A split king mattress is made up of 2 twin XLs, each at 80 inches long and 38 inches wide. When placed side by side, the total sleeping area is 80 inches long and 76 inches wide, the same as a traditional king mattress.
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 Split King Mattresses
Ready to find your perfect sleep match? See how our split king mattresses stack up below.
- Ideal for every sleeper type, including side, back, stomach and combo
- Perfect for kids transitioning to a larger bed
- Medium-firm feel for optimal comfort & long-term support
4.7 Rating
- 7 layers of hybrid comfort—perfect for those who want a blend of supportive coils and comforting gel memory foam
- Medium feel that hugs and contours your body
4.7 Rating
- Patent-pending 2-stage cooling features keep you sweat-free throughout the night
- Medium-plush feel contours like you’re sleeping on a cloud, while providing optimal support
4.8 Rating
- Patented gel polymer layer adjusts to your body temperature to keep you cool
- Reinforced coils provide support and durability
- 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.