Memorial Day Sale
Shop up to 50% off retailers near you

King Size Box Springs & Foundations

160 Results

Serta Perfect Sleeper Hybrid Cobalt Bliss King Mattress with Head Up Only Base
Serta Perfect Sleeper Hybrid Cobalt Bliss King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Serta Perfect Sleeper Hybrid Cobalt Bliss King Mattress with Head Up Only Base

$2,198.99
3 Size Options
Location unknown
Purple Original King Mattress with Head Up Only Base
Purple Original King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Purple Original King Mattress with Head Up Only Base

$2,798.00
3 Size Options
Location unknown
Casper Onyx King Mattress with Head Up Only Base
Casper Onyx King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Casper Onyx King Mattress with Head Up Only Base

$2,098.00
3 Size Options
Location unknown
Premium Plus Smart Base - King
Premium Plus Smart Base - King
CRD Logo

Cardi's Furniture & Mattresses

Premium Plus Smart Base - King

$2,295.00$2,595.00
One Size Option
Location unknown
Beautyrest Harmony Lux Medium King Mattress with Head Up Only Base
Beautyrest Harmony Lux Medium King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Beautyrest Harmony Lux Medium King Mattress with Head Up Only Base

$3,098.00
3 Size Options
Location unknown
Drew & Jonathan Ruby Ranch King Mattress with Head Up Only Base
Drew & Jonathan Ruby Ranch King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Drew & Jonathan Ruby Ranch King Mattress with Head Up Only Base

$2,798.99
3 Size Options
Location unknown
Beautyrest Harmony Reef Bay King Mattress with Head Up Only Base
Beautyrest Harmony Reef Bay King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Beautyrest Harmony Reef Bay King Mattress with Head Up Only Base

$2,398.99
3 Size Options
Location unknown
Sealy Posturepedic Valley Road King Mattress with Head Up Only Base
Sealy Posturepedic Valley Road King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Sealy Posturepedic Valley Road King Mattress with Head Up Only Base

$2,498.99
3 Size Options
Location unknown
Sealy Posturepedic Beaufort King Mattress with Head Up Only Base
Sealy Posturepedic Beaufort King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Sealy Posturepedic Beaufort King Mattress with Head Up Only Base

$1,798.99
3 Size Options
Location unknown
Serta Perfect Sleeper Hybrid Cobalt Serenity King Mattress with Head Up Only Base
Serta Perfect Sleeper Hybrid Cobalt Serenity King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Serta Perfect Sleeper Hybrid Cobalt Serenity King Mattress with Head Up Only Base

$2,498.99
3 Size Options
Location unknown
Sealy Posturepedic Plus Colliford King Mattress with Head Up Only Base
Sealy Posturepedic Plus Colliford King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Sealy Posturepedic Plus Colliford King Mattress with Head Up Only Base

$2,698.00
2 Size Options
Location unknown
Sealy Posturepedic Greenhaven King Mattress with Head Up Only Base
Sealy Posturepedic Greenhaven King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Sealy Posturepedic Greenhaven King Mattress with Head Up Only Base

$1,998.99
3 Size Options
Location unknown
Serta Perfect Sleeper Kira King Mattress with Head Up Only Base
Serta Perfect Sleeper Kira King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Serta Perfect Sleeper Kira King Mattress with Head Up Only Base

$2,298.99
3 Size Options
Location unknown
Therapedic Essence King Mattress with Head Up Only Base
Therapedic Essence King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Therapedic Essence King Mattress with Head Up Only Base

$1,998.99
3 Size Options
Location unknown
Serta Perfect Sleeper Rianna King Mattress with Head Up Only Base
Serta Perfect Sleeper Rianna King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Serta Perfect Sleeper Rianna King Mattress with Head Up Only Base

$2,798.99
3 Size Options
Location unknown
Sealy Posturepedic Elder Creek King Mattress with Head Up Only Base
Sealy Posturepedic Elder Creek King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Sealy Posturepedic Elder Creek King Mattress with Head Up Only Base

$1,998.99
3 Size Options
Location unknown
Sealy Posturepedic Cotinga King Mattress with Ease 4.0
Sealy Posturepedic Cotinga King Mattress with Ease 4.0
RTG Logo

Rooms To Go

Sealy Posturepedic Cotinga King Mattress with Ease 4.0

$2,398.99
3 Size Options
Location unknown
Therapedic Topaz King Mattress with Ease 4.0
Therapedic Topaz King Mattress with Ease 4.0
RTG Logo

Rooms To Go

Therapedic Topaz King Mattress with Ease 4.0

$2,298.99
6 Size Options
Location unknown
Drew & Jonathan Westwater King Mattress with Head Up Only Base
Drew & Jonathan Westwater King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Drew & Jonathan Westwater King Mattress with Head Up Only Base

$2,798.99
3 Size Options
Location unknown
The Casper King Mattress with Head Up Only Base
The Casper King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

The Casper King Mattress with Head Up Only Base

$2,194.00
One Size Option
Location unknown
Therapedic Bravo King Mattress with Head Up Only Base
Therapedic Bravo King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Therapedic Bravo King Mattress with Head Up Only Base

$1,698.99
3 Size Options
Location unknown
Drew & Jonathan Capertee King Mattress with Head Up Only Base
Drew & Jonathan Capertee King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Drew & Jonathan Capertee King Mattress with Head Up Only Base

$2,498.99
3 Size Options
Location unknown
Beautyrest Harmony Cozumel Coast King Mattress with Head Up Only Base
Beautyrest Harmony Cozumel Coast King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Beautyrest Harmony Cozumel Coast King Mattress with Head Up Only Base

$2,198.00
2 Size Options
Location unknown
Drew & Jonathan Arada Canyon King Mattress with Head Up Only Base
Drew & Jonathan Arada Canyon King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Drew & Jonathan Arada Canyon King Mattress with Head Up Only Base

$3,198.99
3 Size Options
Location unknown
Beautyrest Select Eminence King Mattress Set with Head Up Only Base
Beautyrest Select Eminence King Mattress Set with Head Up Only Base
RTG Logo

Rooms To Go

Beautyrest Select Eminence King Mattress Set with Head Up Only Base

$1,848.00
3 Size Options
Location unknown
Serta Perfect Sleeper Arial Cove King Mattress with Head Up Only Base
Serta Perfect Sleeper Arial Cove King Mattress with Head Up Only Base
RTG Logo

Rooms To Go

Serta Perfect Sleeper Arial Cove King Mattress with Head Up Only Base

$1,998.99
2 Size Options
Location unknown
Sealy Black Low Profile King Box Spring - Hybrid
Sealy Black Low Profile King Box Spring - Hybrid
New
RCW Logo

RC Willey

Sealy Black Low Profile King Box Spring - Hybrid

$350.00
4 Size Options
Location unknown
TEMPUR-Ergo® Smart Base
TEMPUR-Ergo® Smart Base
RF Logo

Raymour & Flanigan

TEMPUR-Ergo® Smart Base

$2,499.00$2,699.00
One Size Option
Location unknown
Sunset Standard King Size Box Spring
Sunset Standard King Size Box Spring
New
RCW Logo

RC Willey

Sunset Standard King Size Box Spring

$340.00
5 Size Options
Location unknown
Cindy Crawford Home Twin XL Low Profile Foundation (Qty 2 for King size foundation)
Cindy Crawford Home Twin XL Low Profile Foundation (Qty 2 for King size foundation)
GW Logo

Gardner White

Cindy Crawford Home Twin XL Low Profile Foundation (Qty 2 for King size foundation)

$224.99
One Size Option
Location unknown
Sealy EASE 4.0 King Adjustable Base
Sealy EASE 4.0 King Adjustable Base
New
RCW Logo

RC Willey

Sealy EASE 4.0 King Adjustable Base

$1,499.00
One Size Option
Location unknown
Tempur Ergo ProSmart Adjustable Base
Tempur Ergo ProSmart Adjustable Base
RF Logo

Raymour & Flanigan

Tempur Ergo ProSmart Adjustable Base

$2,999.00$3,199.00
One Size Option
Location unknown
TEMPUR-ERGO® Smart King Adjustable Base
TEMPUR-ERGO® Smart King Adjustable Base
GW Logo

Gardner White

TEMPUR-ERGO® Smart King Adjustable Base

$2,499.00$2,699.00
One Size Option
Location unknown
Stearns & Foster 9" Split King Box Spring Set Bedding
Stearns & Foster 9" Split King Box Spring Set Bedding
RF Logo

Raymour & Flanigan

Stearns & Foster 9" Split King Box Spring Set Bedding

$480.00
One Size Option
Location unknown
Beautyrest Black 5 Low King Foundation
Beautyrest Black 5 Low King Foundation
HOM Logo

HOM Furniture

Beautyrest Black 5 Low King Foundation

$500.00
5 Size Options
Location unknown
MotoSleep XSF250E King Adjustable Base
MotoSleep XSF250E King Adjustable Base
New
RCW Logo

RC Willey

MotoSleep XSF250E King Adjustable Base

$1,250.00$1,400.00
5 Size Options
Location unknown
Ashley Sleep Essentials Low Profile Foundation in Black by Ashley Express
Ashley Sleep Essentials Low Profile Foundation in Black by Ashley Express
RF Logo

Raymour & Flanigan

Ashley Sleep Essentials Low Profile Foundation in Black by Ashley Express

$349.95
One Size Option
Location unknown
Ashley Sleep Essentials Better than a Boxspring Foundation in Gray by Ashley Express
Ashley Sleep Essentials Better than a Boxspring Foundation in Gray by Ashley Express
RF Logo

Raymour & Flanigan

Ashley Sleep Essentials Better than a Boxspring Foundation in Gray by Ashley Express

$299.99
One Size Option
Location unknown
O200 Head Up King Adjustable Base
O200 Head Up King Adjustable Base
New
STH Logo

Steinhafels

O200 Head Up King Adjustable Base

$499.00
One Size Option
Location unknown
Reverie 3EMT Adjustable Base Split King Set
Reverie 3EMT Adjustable Base Split King Set
RF Logo

Raymour & Flanigan

Reverie 3EMT Adjustable Base Split King Set

$1,598.00
One Size Option
Location unknown
BEDGEAR Flex LSX Adjustable Base by Bedgear
BEDGEAR Flex LSX Adjustable Base by Bedgear
RF Logo

Raymour & Flanigan

BEDGEAR Flex LSX Adjustable Base by Bedgear

$2,199.00
One Size Option
Location unknown
Organic Cotton 7" Standard Foundation in Natural by Naturepedic
Organic Cotton 7" Standard Foundation in Natural by Naturepedic
RF Logo

Raymour & Flanigan

Organic Cotton 7" Standard Foundation in Natural by Naturepedic

$989.95$1,099.95
6 Size Options
Location unknown
Serta iComfort 9" Box Spring Set in 79
Serta iComfort 9" Box Spring Set in 79
RF Logo

Raymour & Flanigan

Serta iComfort 9" Box Spring Set in 79

$420.00
One Size Option
Location unknown
King Bunkie Board Mattress
King Bunkie Board Mattress
RF Logo

Raymour & Flanigan

King Bunkie Board Mattress

$251.91$279.90
One Size Option
Location unknown
Serta Motion Essentials VI Split King Adjustable Base Pair (2 TWXL)
Serta Motion Essentials VI Split King Adjustable Base Pair (2 TWXL)
New
RTG Logo

Rooms To Go

Serta Motion Essentials VI Split King Adjustable Base Pair (2 TWXL)

$1,098.00
One Size Option
Location unknown
TEMPUR-Ergo 3.0 Vertical Split King Adjustable Base
TEMPUR-Ergo 3.0 Vertical Split King Adjustable Base
New
STH Logo

Steinhafels

TEMPUR-Ergo 3.0 Vertical Split King Adjustable Base

$2,798.00$2,998.00
One Size Option
Location unknown
Better than a Boxspring King Foundation (Set of 2) by Ashley
Better than a Boxspring King Foundation (Set of 2) by Ashley
GW Logo

Gardner White

Better than a Boxspring King Foundation (Set of 2) by Ashley

$319.98
One Size Option
Location unknown
Night Stars 9 Standard Foundation - King
Night Stars 9 Standard Foundation - King
HOM Logo

HOM Furniture

Night Stars 9 Standard Foundation - King

$580.00
5 Size Options
Location unknown
1234
Page 1 of 4

Similar by category

Mattresses & FoundationsMattressesKing Size MattressesQueen Size MattressesCalifornia King Size MattressesTwin XL MattressesFull Size MattressesTwin Size MattressesMattress CoversCrib Mattresses

Similar by size

Twin XL Box Springs & FoundationsTwin Size Box Springs & FoundationsQueen Size Box Springs & FoundationsKing Size Box Springs & FoundationsFull Box Springs & FoundationsCalifornia King Box Springs & Foundations

Similar by type

Adjustable Box Springs & Foundations

By price

Box Springs & Foundations under $200Box Springs & Foundations under $300Box Springs & Foundations under $400Box Springs & Foundations under $500Box Springs & Foundations under $750Box Springs & Foundations under $1,500Box Springs & Foundations under $2,500Box Springs & Foundations under $3,000