Shop what is a king size mattress and box spring

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Adjustable Base And Mattress Combo Bundle | Dreamcloud Memory Foam Mattress + Premier Adjustable Frame King Split Size | Sheets, Pillows And Protector
DreamCloud
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Adjustable Base And Mattress Combo Bundle | Dreamcloud Memory Foam Mattress + Premier Adjustable Frame King Split Size | Sheets, Pillows And Protector
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Adjustable Bed Bundle Size Split King By Nectar | Compare The Mattress Set, Frame, Pillows, And Sheets To Other Brands
Nectar Sleep
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Split King Luxury Hybrid Mattress | Memory Foam For Plush Comfort | Dreamcloud Premier | 2025 Awarded Euro Top Mattress For Back Pain And Heavy People
DreamCloud
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Split King Luxury Hybrid Mattress | Memory Foam For Plush Comfort | Dreamcloud Premier | 2025 Awarded Euro Top Mattress For Back Pain And Heavy People
DreamCloud
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Sealy King Mattress | Pillowtop Innerspring | Medium Essentials S7 Winter Green Faux
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Sealy King Mattress | Pillowtop Innerspring | Medium Essentials S7 Winter Green Faux
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Nectar Hybrid Mattress Sale | Compare Nectar 2026 King Size Memory Foam + Steel Springs Bed In A Box
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Nectar Luxe Memory Foam Mattress King Size | Compare Nectar 2026 Luxury Memory Foam Bed In A Box Sale To Purple, Casper, And Saatva
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Nectar Sleep
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Serta Perfect Sleeper Sleep Excellence Medium Pillowtop Mattress | King
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Serta Perfect Sleeper Sleep Excellence Medium Pillowtop Mattress | King
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Tulo King Mattress | Memory Foam | Medium Bamboo
Mattress Firm
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Tulo King Mattress | Memory Foam | Medium Bamboo
Mattress Firm
$197.00
$277.00
Wayfair Sleep™ Folding Metal Box Spring Size: King Profile: Standard Profile (7.5")
Joss & Main
5K+
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28% off
$197.00
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Wayfair Sleep™ Folding Metal Box Spring Size: King Profile: Standard Profile (7.5")
Joss & Main
5K+
$154.00
$213.00
Metal Smart Box Spring Mattress Size: King Profile: 9" H
AllModern
210
Free shipping
27% off
$154.00
$213.00
Metal Smart Box Spring Mattress Size: King Profile: 9" H
AllModern
210
$1,398.00
$1,498.00
Adjustable Bed Frame By Dreamcloud | Smart Bed | USB Ports | Customizable Zero Gravity Bed Settings | King Size |
DreamCloud
$1,398.00
$1,498.00
Adjustable Bed Frame By Dreamcloud | Smart Bed | USB Ports | Customizable Zero Gravity Bed Settings | King Size |
DreamCloud
$535.98
$588.99
Select Luxury 14-Inch Medium Firm Gel Memory Foam Mattress With Cooling Tech - King
Bed Bath & Beyond
20
$535.98
$588.99
Select Luxury 14-Inch Medium Firm Gel Memory Foam Mattress With Cooling Tech - King
Bed Bath & Beyond
20
$488.00
$520.99
14 Inch Queen And King Memory Foam Hybrid Mattress,Medium Firmness,Edge Support Mattress In A Box
Bed Bath & Beyond
$488.00
$520.99
14 Inch Queen And King Memory Foam Hybrid Mattress,Medium Firmness,Edge Support Mattress In A Box
Bed Bath & Beyond
$297.55
$358.49
14in Gel Memory Foam Supportive Innerspring Mattress With Certipur US Certified - King
Bed Bath & Beyond
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$297.55
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14in Gel Memory Foam Supportive Innerspring Mattress With Certipur US Certified - King
Bed Bath & Beyond
$1,599.00
Lush 13.5' King Ultra Plush Universal Mattress Set By Bob's Discount Furniture
Bob's Discount Furniture
$1,599.00
Lush 13.5' King Ultra Plush Universal Mattress Set By Bob's Discount Furniture
Bob's Discount Furniture
$300.00
Distinction Split Standard King Foundation Set By Bob's Discount Furniture
Bob's Discount Furniture
$300.00
Distinction Split Standard King Foundation Set By Bob's Discount Furniture
Bob's Discount Furniture
$3,199.00
The Kingston - 100% Organic Mattress Mattress Size: King
Perigold
Free shipping
$3,199.00
The Kingston - 100% Organic Mattress Mattress Size: King
Perigold
Free shipping
$345.74
$460.99
King Medium Firm 14 in. Hybrid Gel Memory Foam Euro Top Mattress, Motion Isolation And Bed-In-A-Box Mattress
Home Depot
1
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King Medium Firm 14 in. Hybrid Gel Memory Foam Euro Top Mattress, Motion Isolation And Bed-In-A-Box Mattress
Home Depot
1
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$1,999.99
Beautyrest King Mattress | Innerspring | Medium BRS900-C
Mattress Firm
19
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Beautyrest King Mattress | Innerspring | Medium BRS900-C
Mattress Firm
19
$1,399.00
Treasure 12.5' King Memory Foam Pillow Top Plush Split Standard Mattress Set By Bob's Discount Furniture
Bob's Discount Furniture
$1,399.00
Treasure 12.5' King Memory Foam Pillow Top Plush Split Standard Mattress Set By Bob's Discount Furniture
Bob's Discount Furniture
$671.41
Upgraded King Size Mattress Medium Plush Gel Memory Foam Pocket Spring Hybrid 14 in. Bed-In-A-Box Mattress
Home Depot
Free shipping
$671.41
Upgraded King Size Mattress Medium Plush Gel Memory Foam Pocket Spring Hybrid 14 in. Bed-In-A-Box Mattress
Home Depot
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Beautyrest King Mattress | Innerspring | Plush BRS900
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Beautyrest King Mattress | Innerspring | Plush BRS900
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Napqueen Machka 12 Inch King Size Euro Top Hybrid Mattress Full 10 Inches Firm Mattress Only | Medium
Groupon
146
Free shipping
$199.99
Napqueen Machka 12 Inch King Size Euro Top Hybrid Mattress Full 10 Inches Firm Mattress Only | Medium
Groupon
146
$8,749.00
Plushbeds Royal Bliss Luxury Mattress, King / Medium
PlushBeds.com
$8,749.00
Plushbeds Royal Bliss Luxury Mattress, King / Medium
PlushBeds.com
$6,299.00
The Regent Firm - 15.5" Hybrid Mattress Mattress Size: King
Perigold
Free shipping
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The Regent Firm - 15.5" Hybrid Mattress Mattress Size: King
Perigold
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$249.99
$459.99
King Size Mattress, 14 Inch Hybrid Memory Foam King Bed Mattress With Pocket Springs For Motion Isolation Pressure Relief, Certipur-US
Walmart
25
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King Size Mattress, 14 Inch Hybrid Memory Foam King Bed Mattress With Pocket Springs For Motion Isolation Pressure Relief, Certipur-US
Walmart
25
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Soges 10 Inch Memory Foam Mattress King Size Mattress Green Tea Gel Memory Foam Mattress Cooling Gel Infused Mattress For Pressure Relief, Medium Firm
Walmart
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Soges 10 Inch Memory Foam Mattress King Size Mattress Green Tea Gel Memory Foam Mattress Cooling Gel Infused Mattress For Pressure Relief, Medium Firm
Walmart
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$788.98
Serta Classic Harbor Creek Firm Mattress Set:- King, +9' Box Spring
Sam's Club
$788.98
Serta Classic Harbor Creek Firm Mattress Set:- King, +9' Box Spring
Sam's Club
$114.90
VEVOR Box Spring King Size Bed Frame With Washable Fabric Cloth Heavy Duty Metal Frame For King Bed 9 in Mattress Foundation 3500 Lbs Max Weight
VEVOR
15
$114.90
VEVOR Box Spring King Size Bed Frame With Washable Fabric Cloth Heavy Duty Metal Frame For King Bed 9 in Mattress Foundation 3500 Lbs Max Weight
VEVOR
15
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$977.59
Kescas 14-In Medium King Cooling Hybrid Memory Foam/Coil Blend Mattress In A Box In White | 14KING-KTA
Lowe's
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Kescas 14-In Medium King Cooling Hybrid Memory Foam/Coil Blend Mattress In A Box In White | 14KING-KTA
Lowe's
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CHEVNI 12 Inch King Size Mattress In A Box Hybrid Spring Memory Foam Medium Firm - White
Target
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CHEVNI 12 Inch King Size Mattress In A Box Hybrid Spring Memory Foam Medium Firm - White
Target
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$469.99
$749.99
Chime 12 Inch Plush Memory Foam King Mattress In A Box By Ashley, Mattresses > Ashley Sleep Mattresses > Chime Mattresses > King
Ashley
50K+
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Chime 12 Inch Plush Memory Foam King Mattress In A Box By Ashley, Mattresses > Ashley Sleep Mattresses > Chime Mattresses > King
Ashley
50K+
$4,699.00
Serta(R) Icomfortpro Level 3 Kingston Mattress, Firm, King, 14"H | Pottery Barn
Pottery Barn
$4,699.00
Serta(R) Icomfortpro Level 3 Kingston Mattress, Firm, King, 14"H | Pottery Barn
Pottery Barn
$775.00
$925.00
Silk & Snow Mattress - Medium-Firm, Canadian Made, High Memory Foam Mattress, Size: King
Silk & Snow
16% off
$775.00
$925.00
Silk & Snow Mattress - Medium-Firm, Canadian Made, High Memory Foam Mattress, Size: King
Silk & Snow
$679.00
Marine Blue Luxe Hybrid Mattress, Firm / 14" / King
mattressexpress
$679.00
Marine Blue Luxe Hybrid Mattress, Firm / 14" / King
mattressexpress
Do You Need A Box Spring For Your Mattress? (FULL GUIDE)
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Shop what is a king size mattress and box spring

Sponsored
About our ads
$2,646.00
$2,796.00
Adjustable Base And Mattress Combo Bundle | Dreamcloud Memory Foam Mattress + Premier Adjustable Frame King Split Size | Sheets, Pillows And Protector
DreamCloud
$2,646.00
$2,796.00
Adjustable Base And Mattress Combo Bundle | Dreamcloud Memory Foam Mattress + Premier Adjustable Frame King Split Size | Sheets, Pillows And Protector
DreamCloud
$2,496.00
Adjustable Bed Bundle Size Split King By Nectar | Compare The Mattress Set, Frame, Pillows, And Sheets To Other Brands
Nectar Sleep
282
$2,496.00
Adjustable Bed Bundle Size Split King By Nectar | Compare The Mattress Set, Frame, Pillows, And Sheets To Other Brands
Nectar Sleep
282
$849.00
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King Size Mattress By Nectar Mattress | Compare The Nectar 2026 Affordable Memory Foam Bed In A Box Sale
Nectar Sleep
3K+
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King Size Mattress By Nectar Mattress | Compare The Nectar 2026 Affordable Memory Foam Bed In A Box Sale
Nectar Sleep
3K+
$1,798.00
Split King Luxury Hybrid Mattress | Memory Foam For Plush Comfort | Dreamcloud Premier | 2025 Awarded Euro Top Mattress For Back Pain And Heavy People
DreamCloud
16K+
$1,798.00
Split King Luxury Hybrid Mattress | Memory Foam For Plush Comfort | Dreamcloud Premier | 2025 Awarded Euro Top Mattress For Back Pain And Heavy People
DreamCloud
16K+
$689.99
$1,379.99
Sealy King Mattress | Pillowtop Innerspring | Medium Essentials S7 Winter Green Faux
Mattress Firm
50% off
$689.99
$1,379.99
Sealy King Mattress | Pillowtop Innerspring | Medium Essentials S7 Winter Green Faux
Mattress Firm
$999.00
Nectar Hybrid Mattress Sale | Compare Nectar 2026 King Size Memory Foam + Steel Springs Bed In A Box
Nectar Sleep
$999.00
Nectar Hybrid Mattress Sale | Compare Nectar 2026 King Size Memory Foam + Steel Springs Bed In A Box
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Nectar Luxe Memory Foam Mattress King Size | Compare Nectar 2026 Luxury Memory Foam Bed In A Box Sale To Purple, Casper, And Saatva
Nectar Sleep
$1,499.00
Nectar Luxe Memory Foam Mattress King Size | Compare Nectar 2026 Luxury Memory Foam Bed In A Box Sale To Purple, Casper, And Saatva
Nectar Sleep
$1,299.99
$1,999.99
Serta Perfect Sleeper Sleep Excellence Medium Pillowtop Mattress | King
Mattress Firm
35% off
$1,299.99
$1,999.99
Serta Perfect Sleeper Sleep Excellence Medium Pillowtop Mattress | King
Mattress Firm
$292.99
$809.99
Tulo King Mattress | Memory Foam | Medium Bamboo
Mattress Firm
63% off
$292.99
$809.99
Tulo King Mattress | Memory Foam | Medium Bamboo
Mattress Firm
$197.00
$277.00
Wayfair Sleep™ Folding Metal Box Spring Size: King Profile: Standard Profile (7.5")
Joss & Main
5K+
Free shipping
28% off
$197.00
$277.00
Wayfair Sleep™ Folding Metal Box Spring Size: King Profile: Standard Profile (7.5")
Joss & Main
5K+
$154.00
$213.00
Metal Smart Box Spring Mattress Size: King Profile: 9" H
AllModern
210
Free shipping
27% off
$154.00
$213.00
Metal Smart Box Spring Mattress Size: King Profile: 9" H
AllModern
210
$1,398.00
$1,498.00
Adjustable Bed Frame By Dreamcloud | Smart Bed | USB Ports | Customizable Zero Gravity Bed Settings | King Size |
DreamCloud
$1,398.00
$1,498.00
Adjustable Bed Frame By Dreamcloud | Smart Bed | USB Ports | Customizable Zero Gravity Bed Settings | King Size |
DreamCloud
$535.98
$588.99
Select Luxury 14-Inch Medium Firm Gel Memory Foam Mattress With Cooling Tech - King
Bed Bath & Beyond
20
$535.98
$588.99
Select Luxury 14-Inch Medium Firm Gel Memory Foam Mattress With Cooling Tech - King
Bed Bath & Beyond
20
$488.00
$520.99
14 Inch Queen And King Memory Foam Hybrid Mattress,Medium Firmness,Edge Support Mattress In A Box
Bed Bath & Beyond
$488.00
$520.99
14 Inch Queen And King Memory Foam Hybrid Mattress,Medium Firmness,Edge Support Mattress In A Box
Bed Bath & Beyond
$297.55
$358.49
14in Gel Memory Foam Supportive Innerspring Mattress With Certipur US Certified - King
Bed Bath & Beyond
16% off
$297.55
$358.49
14in Gel Memory Foam Supportive Innerspring Mattress With Certipur US Certified - King
Bed Bath & Beyond
$1,599.00
Lush 13.5' King Ultra Plush Universal Mattress Set By Bob's Discount Furniture
Bob's Discount Furniture
$1,599.00
Lush 13.5' King Ultra Plush Universal Mattress Set By Bob's Discount Furniture
Bob's Discount Furniture
$300.00
Distinction Split Standard King Foundation Set By Bob's Discount Furniture
Bob's Discount Furniture
$300.00
Distinction Split Standard King Foundation Set By Bob's Discount Furniture
Bob's Discount Furniture
$3,199.00
The Kingston - 100% Organic Mattress Mattress Size: King
Perigold
Free shipping
$3,199.00
The Kingston - 100% Organic Mattress Mattress Size: King
Perigold
Free shipping