Best Seller
California King Extra Firm 12" Innerspring Mattress - Sealy Tight Top Sofa Bed & Box Spring 84.0 H x 72.0 W 12.0 D | King/5" Wayfair 42728462

California King Extra Firm 12" Innerspring Mattress - Sealy Tight Top Sofa Bed & Box Spring 84.0 H x 72.0 W 12.0 D | King/5" Wayfair 42728462

This mattress upgrades Posturepedic® Spring mattresses with our most rigorously tested materials. Motion-reducing coils, targeted gel memory foam, and cushioning specialty gel foams deliver full-body support, while the antibacterial soft-knit cover... more

$2,199.00 $1,629.99

FREE shipping

go to store
California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set 80.0 H x 76.0 W 12.0 D | Low Profile (5")/California Wayfair

California King Extra Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 & Box Spring Set 80.0 H x 76.0 W 12.0 D | Low Profile (5")/California Wayfair

Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Beautyrest Box Spring Height: Low Profile (5"), Mattress Size: California King | California King... more

$2,295.00 $1,700.00

FREE shipping

go to store
Best Seller
California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set 74.5 H x 38.0 W 12.0 D | Low Profile (5")/California Wayfair

California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set 74.5 H x 38.0 W 12.0 D | Low Profile (5")/California Wayfair

Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Beautyrest Box Spring Height: Low Profile (5"), Mattress Size: California King | California King... more

$2,277.00 $1,640.00

FREE shipping

go to store
Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751

Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751

"Signature Design Chime 12 Inch Hybrid California King Mattress in White - Ashley Furniture M69751 Enjoy endless possibilities for restful sleep with this hybrid innerspring California king mattress. Pressure point relief is delivered via each of... more

$421.99

go to store
Signature Design Mt Dana Plush California King Mattress in White - Ashley Furniture M62251

Signature Design Mt Dana Plush California King Mattress in White - Ashley Furniture M62251

"Signature Design Mt Dana Plush California King Mattress in White - Ashley Furniture M62251 Love a plush, pillowy feel, but need a higher level of support? Look no further than the Mt. Dana Ltd. plush California king mattress. Five different levels... more

$646.99

go to store
Signature Design Mt Dana Euro Top California King Mattress in White - Ashley Furniture M62351

Signature Design Mt Dana Euro Top California King Mattress in White - Ashley Furniture M62351

"Signature Design Mt Dana Euro Top California King Mattress in White - Ashley Furniture M62351 For those longing for just the right balance of plushness and support, the Mt. Dana Ltd. Euro top California king mattress is a top choice. Five different... more

$738.99

go to store
California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set 74.5 H x 38.0 W 12.0 D | King/Standard Profile (9") Wayfair

California King Firm 12" Innerspring Mattress - Beautyrest Silver BRS900 Medium & Box Spring Set 74.5 H x 38.0 W 12.0 D | King/Standard Profile (9") Wayfair

Better you begin with a better night's sleep. The lasting resilience of Beautyrest silver ensures you'll be more awake™ every day for years to come. Beautyrest Mattress Size: California King, Box Spring Height: Standard Profile (9") | California... more

$2,277.00 $1,640.00

FREE shipping

go to store
California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set 84.0 H x 72.0 W 12.0 D | 5/California Wayfair

California King Firm 12" Innerspring Mattress - Sealy Posturepedic Mill Road Tight Top & Box Spring Set 84.0 H x 72.0 W 12.0 D | 5/California Wayfair

An upgraded spring mattress with motion-reducing encased coils targeted back and core support, and a reinforced edge for increased durability. The antibacterial, soft knit cover helps to keep you cool, and your mattress protected. Firm feel. Sealy... more

$1,720.00 $1,429.99

FREE shipping

go to store
California King Firm 12.5" Mattress - Alwyn Home Hornice 84.0 H x 72.0 W 12.5 D in | Wayfair F1806864543B46068C66F1A12A18EF79

California King Firm 12.5" Mattress - Alwyn Home Hornice 84.0 H x 72.0 W 12.5 D in | Wayfair F1806864543B46068C66F1A12A18EF79

Gray Mattresses Comfort Level is Firm. Designed and printed in the United States to display vibrant colors, this is a piece you're sure to love. Alwyn Home Mattress Size: California King | California King Firm 12.5" Mattress - Alwyn Home Hornice... more

$1,239.99 $979.99

FREE shipping

go to store
California King Firm 12.5" Hybrid Mattress - Alwyn Home Klimas 84.0 H x 72.0 W 12.5 D | Wayfair 3730527387004133893525EE4492AFF0

California King Firm 12.5" Hybrid Mattress - Alwyn Home Klimas 84.0 H x 72.0 W 12.5 D | Wayfair 3730527387004133893525EE4492AFF0

Enjoy a more restful sleep with this 12.5" hybrid pocketed coil innerspring firm mattress. Feel the support and responsiveness of a true pocketed coil hybrid mattress system which contours to your body for a comforting feel. High-density, quality... more

$859.99

FREE shipping

go to store
California King Firm 12.5" Hybrid Mattress - Builddecor Copper Eurotop Feel 84.0 H x 76.0 W 12.5 D in brown | Wayfair miumiuB05165522

California King Firm 12.5" Hybrid Mattress - Builddecor Copper Eurotop Feel 84.0 H x 76.0 W 12.5 D in brown | Wayfair miumiuB05165522

This mattress can help alleviate spine discomfort, promote sleep well and make you feel good. Feels so healthy when waking up. it is a product you should choose. Builddecor Mattress Size: California King | California King Firm 12.5" Hybrid Mattress... more

$1,579.99 $1,489.99

FREE shipping

go to store
California King Firm 12" Mattress - Serta Perfect Sleeper Nurture Night 83.5 H x 72.0 W 12.0 D | Wayfair 500302421-1070

California King Firm 12" Mattress - Serta Perfect Sleeper Nurture Night 83.5 H x 72.0 W 12.0 D | Wayfair 500302421-1070

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Serta... more

$1,428.00 $1,089.99

FREE shipping

go to store
California King Firm 12" Hybrid Mattress - Serta Perfect Sleeper Pacific Peace 83.5 H x 72.0 W 12.0 D | Wayfair 500108981-1070

California King Firm 12" Hybrid Mattress - Serta Perfect Sleeper Pacific Peace 83.5 H x 72.0 W 12.0 D | Wayfair 500108981-1070

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Serta... more

$1,999.00 $1,499.99

FREE shipping

go to store
California King Extra Firm 12" Mattress - Serta Perfect Sleeper Oasis Sleep 83.5 H x 72.0 W 12.0 D | Wayfair 500108781-1070

California King Extra Firm 12" Mattress - Serta Perfect Sleeper Oasis Sleep 83.5 H x 72.0 W 12.0 D | Wayfair 500108781-1070

The all-new 2023 Perfect Sleeper collection featuring a coil density system, this supportive mattress offers zoned comfort and pressure relief with a lumbar gel support band—with upgrades available with more cooling layers and support. Serta... more

$1,999.00 $1,549.99

FREE shipping

go to store
California King Firm 12.5" Foam Mattress - Beautyrest Harmony Lux Anchor Island Tight Top 83.5 H x 72.0 W 12.5 D | Wayfair 700811734-1070

California King Firm 12.5" Foam Mattress - Beautyrest Harmony Lux Anchor Island Tight Top 83.5 H x 72.0 W 12.5 D | Wayfair 700811734-1070

Experience support for more than just your body with the Harmony Lux Collection. Innovative materials work harmoniously to bring you restorative sleep with improved support, advanced motion isolation, and a lush cover made from plastic bottles... more

$1,799.00 $1,699.00

FREE shipping

go to store
California King Firm 12.5" Foam Mattress - Serta Clarks Hill II | Wayfair 500706111-1070

California King Firm 12.5" Foam Mattress - Serta Clarks Hill II | Wayfair 500706111-1070

Experience the trusted comfort of Serta with Serta® Clarks Hill. Featuring a soft, breathable cover, PillowSoft® Aire foam, and an 800-density coil support system, this mattress helps you sleep comfortably and wake ready to ease into your day. With... more

$999.00 $799.99

FREE shipping

go to store
California King Firm 12.5" Foam Mattress - Beautyrest Slumberscape Quilted | Wayfair 700812347-1070

California King Firm 12.5" Foam Mattress - Beautyrest Slumberscape Quilted | Wayfair 700812347-1070

The Beauty Sleep 12.5Firm Quilted mattress is designed for your lifestyle. With a traditional quilted top panel, our Beauty Sleep 12.5Firm Quilted mattress features high quality foams including our AirCool Foam with a channeled design for... more

$1,405.00 $879.99

FREE shipping

go to store
California King Firm 12.5" Foam Mattress - Beautyrest Slumberscape Quilted Set w/ Standard Profile 9" Foundation | Wayfair 700812347-9970

California King Firm 12.5" Foam Mattress - Beautyrest Slumberscape Quilted Set w/ Standard Profile 9" Foundation | Wayfair 700812347-9970

The Beauty Sleep 12.5Firm Quilted mattress is designed for your lifestyle. With a traditional quilted top panel, our Beauty Sleep 12.5Firm Quilted mattress features high quality foams including our AirCool Foam with a channeled design for... more

$1,968.00 $1,189.99

FREE shipping

go to store
California King Firm 12.5" Foam Mattress - Beautyrest Slumberscape Quilted Set w/ Low Profile 6" Foundation | Wayfair 700812347-9870

California King Firm 12.5" Foam Mattress - Beautyrest Slumberscape Quilted Set w/ Low Profile 6" Foundation | Wayfair 700812347-9870

The Beauty Sleep 12.5Firm Quilted mattress is designed for your lifestyle. With a traditional quilted top panel, our Beauty Sleep 12.5Firm Quilted mattress features high quality foams including our AirCool Foam with a channeled design for... more

$1,968.00 $1,179.99

FREE shipping

go to store
California King Firm 12.5" Hybrid Mattress - Serta Perfect Sleeper X Aspen Smooth Top | Wayfair 500000191-1070

California King Firm 12.5" Hybrid Mattress - Serta Perfect Sleeper X Aspen Smooth Top | Wayfair 500000191-1070

Featuring 5 support zones designed for full-body spinal alignment with a combination of supportive coils and 1” Perfect Conform Memory Foam for night after night of perfect sleep. Memory foam upgrades available Serta Mattress Size: California King |... more

$1,999.99

FREE shipping

go to store
California King 12.75" Innerspring Mattress - Beautyrest BR800 Plush Euro Top 80.0 H x 54.0 W 11.0 D | Wayfair 700810005-1070

California King 12.75" Innerspring Mattress - Beautyrest BR800 Plush Euro Top 80.0 H x 54.0 W 11.0 D | Wayfair 700810005-1070

Get more from your sleep. This 11" Plush Innerspring Mattress combines their legendary Beauty rest Pocketed Coil Technology, Dual Cool Technology, and Gel Memory foam to help you experience a new level of support, comfort, and temperature... more

$1,240.00 $889.99

FREE shipping

go to store
King Firm 10" Latex Mattress - PlushBeds Botanical Bliss 80.0 H x 76.0 W 10.0 D | Split Wayfair BOTBLMF1008

King Firm 10" Latex Mattress - PlushBeds Botanical Bliss 80.0 H x 76.0 W 10.0 D | Split Wayfair BOTBLMF1008

Introducing the botanical bliss organic latex mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality gold-certified organic latex, certified organic cotton, and certified... more

$3,948.00 $3,303.18

FREE shipping

go to store
King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium 80.0 H x 76.0 W 9.0 D | Split Wayfair BOTBLMF0908

King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium 80.0 H x 76.0 W 9.0 D | Split Wayfair BOTBLMF0908

Introducing the Botanical Bliss Organic Latex Mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality GOLS certified organic latex, GOTS certified organic cotton, and GOTS... more

$3,648.00 $2,995.95

FREE shipping

go to store
King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium 80.0 H x 76.0 W 9.0 D | Wayfair BOTBLMF0906

King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium 80.0 H x 76.0 W 9.0 D | Wayfair BOTBLMF0906

Introducing the Botanical Bliss Organic Latex Mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality GOLS certified organic latex, GOTS certified organic cotton, and GOTS... more

$3,449.00 $2,799.15

FREE shipping

go to store
King Firm 10" Latex Mattress - PlushBeds Botanical Bliss 80.0 H x 76.0 W 10.0 D | Wayfair BOTBLMF1006

King Firm 10" Latex Mattress - PlushBeds Botanical Bliss 80.0 H x 76.0 W 10.0 D | Wayfair BOTBLMF1006

Introducing the botanical bliss organic latex mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality gold-certified organic latex, certified organic cotton, and certified... more

$3,749.00 $3,102.20

FREE shipping

go to store
California King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium 84.0 H x 72.0 W 9.0 D | Wayfair BOTBLMF0907

California King Firm 9" Latex Mattress - PlushBeds Botanical Bliss Medium 84.0 H x 72.0 W 9.0 D | Wayfair BOTBLMF0907

Introducing the Botanical Bliss Organic Latex Mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality GOLS certified organic latex, GOTS certified organic cotton, and GOTS... more

$3,449.00 $2,797.26

FREE shipping

go to store
California King Firm 10" Latex Mattress - PlushBeds Botanical Bliss 72.0 W x 10.0 D | Wayfair BOTBLMF1007

California King Firm 10" Latex Mattress - PlushBeds Botanical Bliss 72.0 W x 10.0 D | Wayfair BOTBLMF1007

Introducing the botanical bliss organic latex mattress, meticulously handcrafted in California using the finest organic materials. This exceptional mattress features top-quality gold-certified organic latex, certified organic cotton, and certified... more

$3,749.00 $2,936.79

FREE shipping

go to store
California King Firm 8" Hybrid Mattress - PlushBeds Medium-Firm Eco Bliss Latex 84.0 H x 72.0 W 8.0 D | Wayfair ECOBLMF0807

California King Firm 8" Hybrid Mattress - PlushBeds Medium-Firm Eco Bliss Latex 84.0 H x 72.0 W 8.0 D | Wayfair ECOBLMF0807

Indulge in the ultimate sleep experience with our Eco Bliss hybrid latex mattress, blending the opulence and durability of organic latex with the affordability of a hybrid design. Step into a realm of unparalleled comfort and value, at a cost of... more

$2,399.00 $1,641.17

FREE shipping

go to store
King Firm 11" Innerspring Mattress - Beautyrest BR800 84.0 H x 76.0 W 11.0 D | California Wayfair 700753476-1070

King Firm 11" Innerspring Mattress - Beautyrest BR800 84.0 H x 76.0 W 11.0 D | California Wayfair 700753476-1070

Get more from your sleep. This 11" firm innerspring mattress combines their legendary Beautyrest pocketed coil technology, dual cool technology, and gel memory foam to help you experience a new level of support, comfort, and temperature management.... more

$1,171.00 $879.99

FREE shipping

go to store
California King Medium 12" Innerspring Mattress - Beautyrest BR800 75.0 H x 72.0 W 12.0 D | Wayfair 700753475-1070

California King Medium 12" Innerspring Mattress - Beautyrest BR800 75.0 H x 72.0 W 12.0 D | Wayfair 700753475-1070

Get more from your sleep. This 12" Medium Innerspring Mattress combines their legendary Beautyrest Pocketed Coil Technology, DualCool Technology, and Gel Memory foam to help you experience a new level of support, comfort, and temperature management.... more

$1,147.00 $839.99

FREE shipping

go to store
California King Medium 14" Memory Foam Mattress - Serenia Sleep 84.0 H x 76.0 W 14.0 D | Wayfair SS-M1412-7

California King Medium 14" Memory Foam Mattress - Serenia Sleep 84.0 H x 76.0 W 14.0 D | Wayfair SS-M1412-7

The mattress is a medium-firm three-layer mattress with premium 2.5-pound memory foam, plush transition foam, and supportive high-density foam. The mattress offers a cooler, drier sleep due to a breathable open-cell foam structure. The premium... more

$1,099.99 $589.99

FREE shipping

go to store
King Medium 14" Memory Foam Mattress - Serenia Sleep 80.0 H x 72.0 W 14.0 D | Wayfair WYFM1038-6

King Medium 14" Memory Foam Mattress - Serenia Sleep 80.0 H x 72.0 W 14.0 D | Wayfair WYFM1038-6

The mattress is a medium-firm three-layer mattress with premium 2.5-pound memory foam, plush transition foam, and supportive high-density foam. The mattress offers a cooler, drier sleep due to a breathable open-cell foam structure. The premium... more

$1,099.99 $589.99

FREE shipping

go to store
King Medium Firm 5" Futon Mattress - White Lotus Home 100% Cotton & Wool 80.0 H x 76.0 W 5.0 D in brownWool | Wayfair 642782331967

King Medium Firm 5" Futon Mattress - White Lotus Home 100% Cotton & Wool 80.0 H x 76.0 W 5.0 D in brownWool | Wayfair 642782331967

Wrapping of about 1.5" pure wool around the cotton layered core Material: Wool and cotton Cotton core made up of 100% cotton layers No chemical fire retardant Medium-firm and supportive Comes in twill fabric case Cotton is soft to the touch but firm... more

$3,669.99

FREE shipping

go to store
King 12" Waterbed Mattress - Strobel Winners Chrarismatic K-Rail 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Dual Wayfair

King 12" Waterbed Mattress - Strobel Winners Chrarismatic K-Rail 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Dual Wayfair

Strobel’s super-premium and we think the best soft side waterbed on the market has our Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature our... more

$5,709.00 $1,979.99

FREE shipping

go to store
King 12" Waterbed Mattress - Strobel Winners Chrarismatic K-Rail 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Wayfair

King 12" Waterbed Mattress - Strobel Winners Chrarismatic K-Rail 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Wayfair

Strobel’s super-premium and we think the best soft side waterbed on the market has our Patented Leak-Proof Double Wall Hydro Support 1800 waterbed mattress for super wavelesness and added peace of mind. Strobel Hydro Support Waterbeds feature our... more

$5,159.00 $1,799.99

FREE shipping

go to store
King 12" Waterbed Mattress - Strobel Winners Behave Yourself 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Dual Wayfair

King 12" Waterbed Mattress - Strobel Winners Behave Yourself 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Dual Wayfair

Top Only, use your own platform bed or foundation capable of supporting a waterbed or order foundation separately or use directly on the floor. Reversible pillowtop 1.5" soy foam pad with cotton non-quilted stretch cover allows no toxic flame... more

$4,139.00 $1,449.99

FREE shipping

go to store
King 12" Waterbed Mattress - Strobel Winners Behave Yourself 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Wayfair

King 12" Waterbed Mattress - Strobel Winners Behave Yourself 1.5-in Pillowtop Top Only Waveless Deep fill Soft-side 12.0 H x 76.0 W 80.0 D | Wayfair

Top Only, use your own platform bed or foundation capable of supporting a waterbed or order foundation separately or use directly on the floor. Reversible pillowtop 1.5" soy foam pad with cotton non-quilted stretch cover allows no toxic flame... more

$3,589.00 $1,097.62

FREE shipping

go to store
California King Medium 12" Hybrid Mattress - Sealy To Go | Wayfair F03-00088-CK0

California King Medium 12" Hybrid Mattress - Sealy To Go | Wayfair F03-00088-CK0

The mattress is designed to give you the best of both worlds. The unique combination of two innovative comfort technologies provides universal comfort and support for each unique preference and body type. Premium memory foam conforms and responds to... more

$1,299.00 $589.99

FREE shipping

go to store
California King 14" Foam Mattress - Sealy Posturepedic Plus Plush Pillow Top & Box Spring 84.0 H x 72.0 W 14.0 D | Low Profile (5")/California Wayfair

California King 14" Foam Mattress - Sealy Posturepedic Plus Plush Pillow Top & Box Spring 84.0 H x 72.0 W 14.0 D | Low Profile (5")/California Wayfair

Sleep deeper cradled in cloud-like comfort with this Sealy pillow top mattress. Balancing targeted relief for your back and core with cushioning comfort for your whole body, this Sealy pillow top supports quality sleep for a quality life. Cooling... more

$1,749.00

FREE shipping

go to store
California King Medium 13" Innerspring Mattress - Sealy Posturepedic Plus Tight Top & Box Spring 84.0 H x 72.0 W 13.0 D | King/Low Profile (5") Wayfair

California King Medium 13" Innerspring Mattress - Sealy Posturepedic Plus Tight Top & Box Spring 84.0 H x 72.0 W 13.0 D | King/Low Profile (5") Wayfair

All the support of Posturepedic® Spring mattresses, with our most premium motion-reducing coils, targeted gel memory foam support, and cushioning specialty gel foams. The soft, antibacterial cover delivers a cool, refreshing feel and keeps the... more

$1,845.00

FREE shipping

go to store

More information about Mattresses & Boxsprings

Best prices on California king firm 12 5 in Mattresses & Boxsprings online. Visit Bizrate to find the best deals on top brands. Read reviews on Home & Garden merchants and buy with confidence.