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Twin XL Mattresses
Sit 'n Sleep has a great selection of twin xl mattress sizes in Southern California. Click here to view XL twin mattresses by brand, comfort level, and price.
Online Only Sale

Serta Perfect Sleeper Pacific Palisades Plush
from $2,099.99
$999.99

Serta Perfect Sleeper Morro Bay Plush Pillow Top
from $899.99
Free Gift With Purchase

Purple RestorePremier Firm
from $3,249.00
$2,849.00

King Koil Rosewood Medium Euro Top
from $1,399.99
Online Only Sale

Kingsdown Tenderness Plush
from $999.99
$649.99
Presidents Sale

Beautyrest Black Series One Extra Firm
from $1,549.99
$1,249.99
Online Only Sale

Kingsdown Nuovo Plush Euro Top
from $799.99
$499.99
Online Only Sale

Kingsdown Mode Plush Euro Top
from $1,129.99
$729.99
Online Only Sale

Beautyrest Driftwood Bay Hybrid Firm
from $1,499.99
$899.99
Online Only Sale

Orion Pillow Top
from $959.99
$459.99
Free Gift With Purchase

Purple Restore Firm
from $1,999.00
$1,699.00
Free Gift With Purchase

Purple Restore Soft
from $1,999.00
$1,699.00
Presidents Sale

Stearns & Foster Lux Estate – Soft Euro Pillow Top
from $3,199.00
$2,799.00

King Koil Duet Plush
from $1,099.99
Presidents Sale

Craftsman Medium Euro Top
from $1,049.99
$549.99
Presidents Sale

Beautyrest Black Series Two Firm
from $2,349.99
$2,049.99
Presidents Sale

Nectar Foam Luxe 5.1
from $1,499.00
$999.00
Presidents Sale

Nectar Hybrid Premier
from $1,349.00
$799.00
Presidents Sale

Avocado Green Box Top Mattress
from $2,899.00
$2,464.00
Presidents Sale

Avocado Green Euro Pillow Top Mattress
from $2,099.00
$1,784.00
Presidents Sale

Helix Premier Firm Euro Top
from $1,998.75
$1,499.00
Presidents Sale

Helix Twilight Luxe Firm Euro Top
from $1,373.33
$1,030.00
Presidents Sale

Casper Snow Max Hybrid
from $3,125.00
$2,040.00
Presidents Sale

Casper Snow Hybrid
from $1,875.00
$1,325.00
Online Only Sale

Sealy Golden Elegance Sunnyvale Medium
from $984.99
$584.99
Online Only Sale

TEMPUR-LuxeAdapt Soft 2.0
from $3,799.00
$3,599.00
$300 Instant Gift

TEMPUR-Adapt Medium 2.0
from $1,699.00
$1,599.00
Online Only Sale

Serta Blissful Excellence Delani Meadows Firm
from $749.00
$449.00
Online Only Sale

Kingsdown Mode Firm Euro Top
from $1,129.99
$729.99
Online Only Sale

Kingsdown Mode Hybrid Plush
from $1,059.99
$659.99
Presidents Sale

King Koil Xtended Life Onyx Hybrid
from $2,399.99
$2,199.99
Online Only Sale

Beautyrest Driftwood Bay Hybrid Plush
from $1,499.99
$899.99
Online Only Sale

Beautyrest Cypress Bay Medium
from $1,499.99
$899.99
Online Only Sale

Serta Perfect Sleeper La Jolla Plush
from $899.99
$599.99

Serta Perfect Sleeper Pacific Palisades Plush Pillow Top
from $1,299.99
Online Only Sale

Orion Plush
from $819.99
$419.99
$300 Instant Gift

Tempur-LuxeBreeze Medium Hybrid 2.0
from $5,099.00
$4,799.00
$300 Instant Gift

Tempur-LuxeBreeze Firm 2.0
from $5,099.00
$4,799.00
Presidents Sale

Stearns & Foster Estate – Ultra Firm Tight Top
from $2,299.00
$2,099.00

King Koil Laurel Plush Euro Top
from $1,499.99
Presidents Sale

Sealy Hybrid High Point Firm
from $2,379.99
$2,179.00
$300 Instant Gift

TEMPUR-LuxeAdapt Medium Hybrid 2.0
from $3,799.00
$3,599.00
$300 Instant Gift

TEMPUR-ProAdapt Soft 2.0
from $2,899.00
$2,799.00
$300 Instant Gift

TEMPUR-Adapt Medium Hybrid 2.0
from $1,999.00
$1,899.00
Online Only Sale

Sealy Golden Elegance Fiji Palms Soft
from $899.99
$599.99
Online Only Sale

Sealy Golden Elegance Fiji Palms Firm
from $899.99
$599.99
Online Only Sale

Serta Blissful Excellence Hastings Hybrid Firm
from $1,399.00
$499.00
Presidents Sale

King Koil Xtended Life Onyx Extra Firm
from $2,399.99
$2,199.99
Online Only Sale

Serta Perfect Sleeper La Jolla Plush Euro Top
from $1,099.99
$699.99
Online Only Sale

Stearns & Foster Studio – Medium Tight Top
from $1,699.00
$1,499.00
Online Only Sale

Orion Firm
from $789.99
$389.99
Presidents Sale

King Koil Otto Ultra Firm
from $1,999.99
$1,799.99
Presidents Sale

Kingsdown Avalaire Firm Euro Top
from $2,049.00
$1,849.00
Presidents Sale

Stearns & Foster Reserve – Firm Euro Pillow Top
from $5,199.00
$4,599.00
Online Only Sale

Stearns & Foster Lux Hybrid – Firm
from $3,499.00
$2,899.00
Online Only Sale

Sealy Posturepedic Malibu Palms Firm King
from $1,799.99
$849.77
On Sale

Cloudtech Nimbus Firm Euro Top Twin XL Mattress
from $2,149.99
$1,343.77
On Sale

Cloudtech Nimbus Medium Euro Top Twin XL
from $2,599.99
$1,504.77
Online Only Sale

Sealy Golden Spirits Soft Euro Pillow Top
from $884.00
$709.00
Online Only Sale

Sealy Golden Spirits Soft Tight Top
from $784.00
$609.00
Online Only Sale

Sealy Golden Spirits Medium Tight Top
from $784.00
$609.00
Online Only Sale

Sealy Dream Waves Soft Euro Pillow Top
from $674.00
$499.00
Online Only Sale

Sealy Dream Waves Soft Tight Top
from $584.00
$409.00
Presidents Sale

Beautyrest Black Series Four Hybrid Plush Apex Top
from $4,349.99
$3,749.99
Presidents Sale

Beautyrest Black Series Three Hybrid Medium
from $3,449.99
$2,849.99
Presidents Sale

Beautyrest Black Series Two Hybrid Medium Apex Top
from $2,849.99
$2,549.99
Presidents Sale

Beautyrest Black Series Two Hybrid Plush
from $2,549.99
$2,249.99
Presidents Sale

Beautyrest Black Series Three Firm Pillow Top
from $3,449.99
$2,849.99
Presidents Sale

Beautyrest Black Series Two Medium Pillow Top
from $2,549.99
$2,249.99
Presidents Sale

Beautyrest Black Series One Plush Pillow Top
from $2,149.99
$1,849.99
Presidents Sale

Nectar Foam Ultra 5.1
from $1,799.00
$1,299.00
On Sale

Sealy Cliff Rose Cushion Firm Twin XL
from $1,394.99
$821.77
Online Only Sale

Avocado Eco Kids Mattress
from $649.00
$584.00
Presidents Sale

Avocado Luxury Organic Mattress
from $3,799.00
$3,039.00
Presidents Sale

Casper Dream Max Hybrid
from $2,495.00
$1,620.00
$300 Instant Gift

TEMPUR-ActiveBreeze® Smart Bed
from $9,298.00
$8,798.00
Presidents Sale

King Koil PureBliss Sanctuary Medium
from $2,199.99
$1,999.99
Presidents Sale

King Koil PureBliss Sanctuary Firm
from $1,999.99
$1,799.99
Online Only Sale

Sealy Golden Elegance C Bay Soft
from $1,384.99
$884.99
Online Only Sale

Sealy Golden Elegance C Bay Ultra Firm
from $1,384.99
$884.99
Online Only Sale

Sealy Golden Elegance Ella Bay Soft Euro Pillow Top
from $1,184.99
$784.99
Online Only Sale

Sealy Golden Elegance Ella Bay Soft
from $1,084.99
$684.99
Online Only Sale

Sealy Golden Elegance Ella Bay Firm
from $1,084.99
$684.99
Online Only Sale

Sealy Golden Elegance Hybrid Palms Firm
from $874.99
$574.99
Online Only Sale

Sealy Golden Elegance Aris Medium
from $1,184.99
$784.99
$300 Instant Gift

TEMPUR-ProAdapt Medium Hybrid 2.0
from $2,899.00
$2,799.00
$300 Instant Gift

TEMPUR-ProAdapt Medium 2.0
from $2,899.00
$2,799.00
Online Only Sale

Sealy Golden Elegance Fiji Palms Soft Euro Pillow Top
from $924.99
$624.99
Online Only Sale

Serta Blissful Excellence Hastings Hybrid Plush
from $1,499.00
$699.00
Online Only Sale

Serta Blissful Excellence Hastings Hybrid Medium
from $1,399.00
$599.00
Online Only Sale

Serta Blissful Excellence Finleyville Firm Pillow Top
from $1,059.00
$999.00
Online Only Sale

Serta Blissful Excellence Finleyville Medium
from $1,009.00
$899.00
Online Only Sale

Serta Blissful Excellence Finleyville Firm
from $1,009.00
$899.00
Online Only Sale

Serta Blissful Excellence Enchanting Skies Plush Pillow Top
from $1,099.00
$659.00
Online Only Sale

Serta Blissful Excellence Enchanting Skies Plush
from $999.00
$609.00
Online Only Sale

Serta Blissful Excellence Delani Meadows Plush
from $749.00
$449.00
Online Only Sale

Kingsdown Mode Hybrid Firm
from $1,059.99
$659.99
Online Only Sale

Kingsdown Mode Plush
from $879.99
$579.99
Online Only Sale

Kingsdown Mode Firm
from $879.99
$579.99
Presidents Sale

Sealy Hybrid Kelcie Medium
from $949.99
$774.99