Centered view of the South Bay Daisy 8-inch mattress in a minimalist master bedroom setting with neutral decor and a grey patterned rug.

Wide-angle shot of the Daisy firm mattress by South Bay in a stylish bedroom featuring hardwood floors and large windows.

The South Bay Daisy 8-inch firm gel-infused memory foam mattress featuring a white quilted top and dark charcoal grey side border.

Perspective view of the South Bay Daisy firm memory foam mattress on a black upholstered platform bed beside a mid-century modern nightstand.

Layered infographic of the Daisy mattress construction showing 2-inch Gel Air Foam, a 6-inch support base, and a patented edge-to-edge support system.

Firmness scale infographic highlighting the South Bay Daisy mattress as a "Firm" feel, specifically recommended for side and back sleepers.

Three-step setup infographic for the South Bay mattress: unbox, unroll, and sleep, featuring a woman sleeping comfortably.

Side view of the flexible Daisy 8-inch mattress bending on an adjustable power base to show compatibility with motorized bed frames.

South Bay mattress quality guarantees featuring a 10-year warranty, CertiPUR-US certified foam, and "Assembled in the USA" seal.

Detailed diagram of the Daisy mattress layers highlighting cooling gel memory foam, firm support core, and hypoallergenic antimicrobial properties.

Close-up detail of the South Bay Daisy mattress cover showing the high-quality textured fabric and the functional zipper for a removable cover.

Daisy Gel Infused, Patented Edge Support Firm 8 inch Mattress By South Bay

Plush Medium Firm Pillow top Memory foam Hybrid

Daisy Gel Infused, Patented Edge Support Firm 8 inch Mattress By South Bay

$299.00

$399.00

Save $100.00

Brand:

SOUTH BAY

i Size Guide

$299.00

Only 13 left in stock

Free USA Wide Delivery

10 Year Warranty

Advanced Technology

The South Bay Daisy 8 Inch Mattress is built for sleepers who want firm, no-sink support paired with cooling memory foam comfort in a compact profile.

Cloudy Mattress is the authorized South Bay retailer for this product, so you're buying from a trusted source backed by genuine manufacturer warranties.

The feel sits firmly on the firm side of the comfort scale, making this an ideal firm mattress for bunk beds, guest rooms, and adult bedrooms alike.

Because of that stable, no-sink response, it works especially well for back and stomach sleepers seeking targeted spinal alignment support.

Inside, two engineered foam layers work together to deliver responsive comfort over a stable base, giving the mattress its signature firm feel.

The top layer features gel-infused memory foam that promotes airflow, while the base provides a low-profile firm mattress structure with breathable airflow channels.

A standout feature is the patented edge support technology, which reinforces the perimeter for an enhanced edge-to-edge sleeping surface.

This design adds roughly 20% more usable sleeping space and gives a steadier feel when sitting along the sides of the bed.

Furthermore, the breathable construction delivers breathable cooling sleep technology that helps regulate temperature throughout the night.

The mattress is also an adjustable base compatible, making it a versatile South Bay International 8-inch mattress for any modern bedroom setup.

Additionally, it arrives via Mattress-in-a-box shipping, compressed and rolled for easy delivery, and is backed by a 10-year limited warranty.

Financing through Affirm is available at checkout for added flexibility.

Patented Edge-to-Edge Support

The patented edge support technology reinforces the perimeter, delivering an enhanced edge-to-edge sleeping surface with around 20% more usable space.

Firm, Stable Feel

Engineered for back and stomach sleepers, this 8-inch firm hybrid mattress alternative delivers reliable, no-sink support for proper alignment.

Cooling Gel-Infused Comfort

The gel-infused memory foam top layer promotes airflow and dissipates body heat for cooler, more restful nights.

Durable, Long-Lasting Build

Reinforced edges and a solid support base deliver durable sag-resistant construction, backed by a 10-year limited warranty.

Hypoallergenic & Antimicrobial

Engineered with non-toxic certified materials that resist allergens and microbes, supporting a fresher sleep environment.

CertiPUR-US Certified Foams

Built with CertiPUR-US certified foam made without formaldehyde, phthalates, heavy metals, or ozone depleters for healthier indoor air.

Adjustable Base Ready

Fully compatible with adjustable bases, this low-profile firm mattress pairs seamlessly with your preferred foundation.

Key Mattress Benefits

4 Layers
Of Cooling
Comfort

This top comfort layer is the gel-infused memory foam that promotes airflow and delivers a cooler sleep surface. The gel infusion captures and dissipates body heat for consistent temperature regulation.

This bottom layer reinforces the mattress's stability and forms the supportive backbone of the entire build. Furthermore, the grid construction enhances breathability, keeping airflow moving through the core of the mattress.

A triangular edge support is built into the perimeter to increase stability when sitting and expand the usable sleeping area by roughly 20%. This system also helps the mattress retain its shape over time for longer-lasting performance.

The exterior cover unzips easily for cleaning and helps reduce allergens with regular laundering. Its hypoallergenic and antimicrobial construction supports a fresher, healthier sleep environment.

DISCOVER WHY BUYING WITH

CLOUDY MATTRESS IS THE SMARTER CHOICE

From better sleep support to trusted quality, Cloudy Mattress gives you more value for your money.

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Back pain is finally manageable

After two years of waking up with lower back pain, my chiropractor suggested I look into a firmer mattress. Found the Daisy after some research and gave it a shot. Within two weeks the morning pain dropped significantly. The 8-inch height is great for my adjustable base and the firmness level is exactly what a back sleeper needs. No sagging, no soft spots, just consistent support across the whole surface. Five stars without hesitation.

The edge support is no gimmick

I was skeptical about the 'patented edge support' claim — marketing language often means nothing. But the edges on this mattress are legitimately reinforced. I can sit on the side to tie my shoes and it doesn't cave. My previous mattress would practically fold at the edges after a year. Three months in and this one shows zero compression anywhere. Great for a smaller room where you're getting in and out on the sides regularly.

Perfect for my platform bed setup

I have a low platform bed and needed an 8-inch mattress that wouldn't look or feel skimpy. The Daisy hits the mark — it has a proper density and the quilted top adds a polished look. The firmness is ideal for back sleeping and I've had zero pressure point issues. The gel layer is a nice touch; it doesn't sleep hot at all which I was worried about with foam. Bought this for my bedroom after putting a different brand in the guest room — wish I'd gone Daisy in both.

Firm support that actually delivers

I've tried a lot of mattresses claiming to be firm — most of them aren't. This one is. The 8-inch profile doesn't mess around; it's genuinely supportive from edge to edge. The gel infusion keeps it cooler than I expected for a firm foam mattress. I'm a stomach sleeper and my lower back has thanked me every morning since switching. Setup was easy, minimal off-gassing, and it was fully expanded by morning. Really solid product from South Bay.

Best budget-friendly firm mattress I've found

Spent weeks comparing firm mattresses in this price range and nothing else came close in terms of build quality and features. The gel infusion actually works — it regulates temperature noticeably. The edge support is exceptional for the price point. Ordered a queen size for my daughter's room and she loves it. Thinking about getting one for the guest room too. South Bay clearly knows what they're doing with this one.

HAVE QUESTIONS?

WE'VE GOT ANSWERS

Designed for deep comfort and better rest, so you wake up refreshed and ready for the day

The Daisy is an all-foam mattress. It features two foam layers, including a 2-inch gel-infused memory foam top and a 6-inch Air Grid base. It does not contain innerspring coils.

Yes, the Daisy is built with a patented edge support system. This triangular reinforcement stabilizes the perimeter, makes sitting on the sides more secure, and increases your usable sleeping surface by roughly 20%.

An 8-inch profile is well-suited for daily use, especially for back and stomach sleepers, children, teens, and guest rooms. The Daisy specifically uses firm support foam designed to maintain shape and provide consistent support through nightly use.

Yes, the Daisy is fully adjustable base compatible. You can place it on a continuously solid surface, an adjustable base, or slats spaced no more than two inches apart.

Yes, the mattress is compressed and rolled for quick small parcel delivery. After unboxing, it may take up to 72 hours to fully expand to its final shape, though you can sleep on it immediately.

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