Charleston Mattress gives you four distinct feels here: the Atlantic is the plush EuroTop hybrid, the Heyward is the cooler latex hybrid, the Ocean 12 is the quiet foam option, and the Oak is the firm flippable pick. In our testing, the biggest strengths were sturdy edges on the foam-encased builds and separation between the feels. The main trade-offs were extra warmth on the softer foams and more bounce on the latex.
Table of Contents
- Product Overview
- Final Verdict
- Charleston Mattress Comparison Chart
- How We Tested It
- Charleston Mattress: Our Testing Experience
- Compare Performance Scores of These Mattresses
- How to Choose the Charleston Mattress?
- Limitations
- Charleston Mattress Vs. Alternatives
- Pro Tips for Charleston Mattress
- FAQs
Product Overview
| Mattress | Overall Score | Best Traits | Main Trade-Off | Best For |
|---|---|---|---|---|
| Atlantic Mattress 15" Foam Hybrid | 4.3/5 | Deep pressure relief, sturdy perimeter | Slow rebound | Side sleepers who want a thick plush top |
| Heyward Mattress 14" Latex Hybrid | 4.4/5 | Cooler feel, easy movement | Livelier bounce | Hot sleepers and combo sleepers who still want plushness |
| Ocean Mattress 12" Memory Foam | 4.0/5 | Excellent motion control, strong contour | Soft edges | Couples who want very low motion transfer |
| Oak Mattress 13" High Density | 4.4/5 | Firm support, flippable durability | Less cushioning at the shoulder | Back sleepers and heavier sleepers who want firmness |
Final Verdict
The Heyward and Oak were the most balanced picks, but they suit different sleepers. Choose the Heyward for cooler plushness and easier movement. Choose the Oak for firmer support and a sturdier flippable build. The Atlantic is the best pressure-relief pick for side sleeping, while the Ocean 12 is the quietest option for couples who hate movement transfer.
Charleston Mattress Comparison Chart
| Spec / Test Result | Atlantic | Heyward | Ocean 12 | Oak |
|---|---|---|---|---|
| Type | Foam-encased EuroTop hybrid | Latex pillowtop hybrid | All-foam memory foam | Flippable firm hybrid |
| Profile / feel | 15", plush | 14", plush | 12", plush | 13", firm |
| Key materials | 3" cooling gel memory foam, high coil count unit | 3" latex, pocketed coils, Thermal Ice cover | 3" gel-infused visco over 9" base foam | High-density foam, high coil count unit, Thermal Ice |
| Flippable | No | No | No | Yes |
| Edge support (our test) | Very stable | Stable | Noticeably softer | Very stable |
| Motion isolation (our test) | Good for a hybrid | Good, but springier | Excellent | Good, with some feedback |
| Responsiveness (our test) | Slow, sink-in feel | Fast and easy to turn on | Slowest recovery | Fast and supportive |
| Warranty / sizes | 10-year; Twin to King | 10-year; Twin to King | 10-year; Twin to King | 10-year; Twin to King |
| Starting price | $1,030 | $1,420 | $840 | $890 |
How We Tested It
We rotated the four Charleston models through full nights of sleep, naps, reading, and laptop time in bed. Our testing combined alignment checks, heat build-up over time, partner-movement drills, edge-sitting, and easy-turn tests. Marcus focused on heat and hip support, Mia tracked shoulder pressure, and Carlos watched for alignment drift during longer back-sleeping stretches.
Charleston Mattress: Our Testing Experience
Atlantic Mattress 15" Foam Hybrid
Our Testing Experience
In our testing, the Atlantic gave the deepest plush cradle in this group. Side sleeping felt easy on the shoulders and hips, and the foam-encased perimeter stayed sturdy when we sat to put on shoes or slept near the edge. The trade-off was slower rebound and more warmth late in the night than we felt on the latex or firmer models.
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What we liked
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Strong pressure relief for shoulders and hips
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Secure edge support for sitting and edge sleeping
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Plush feel without dropping straight through the top
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Who it is best for
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Side sleepers who want a thick cushioned top
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Sleepers who often sit on the side of the bed
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Anyone who likes a slower, cradling surface
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Where it falls short
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Combo sleepers may want more bounce
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Heat-sensitive sleepers can notice warmth over time
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Strict stomach sleepers may feel some hip dip
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Pros & Cons
| Pros | Cons |
|---|---|
| Plush EuroTop pressure relief | Slower surface response |
| Very stable perimeter | Can sleep warmer than the Heyward or Oak |
Details
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Starting price: $1,030
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Profile: 15", plush
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Build: Foam-encased NoFlip EuroTop hybrid with a high coil count innerspring
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Comfort layer: 3" cooling gel memory foam in the pillowtop
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Sizes: Twin, Full/Double, Queen, King
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Warranty: 10-year
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Return window: 14-night local return window; fees apply
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.4/5 | Steady support, though the plush top lets some bodies settle deeper. |
| Pressure Relief | 4.7/5 | This was the easiest model on shoulders and hips in our side-sleep tests. |
| Edge Support | 4.6/5 | The perimeter felt secure for sitting and sleeping near the side. |
| Overall | 4.3/5 | Best fit for plush-feel sleepers who still want a stable edge. |
Heyward Mattress 14" Latex Hybrid
Our Testing Experience
The Heyward felt more buoyant than the Atlantic right away. In our testing, it kept the body lifted higher on the surface, turned more easily under the hips, and stayed cooler through longer sleep stretches. It still felt plush, but the latex added bounce, so motion-sensitive sleepers may prefer the Ocean 12.
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What we liked
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Quick response for easy turning
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Cooler, airier surface than the foam-heavy options
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Strong edge stability for a plush hybrid
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Who it is best for
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Hot sleepers who want plush comfort without deep sink
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Combo sleepers who change position often
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Back sleepers who prefer a lifted feel
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Where it falls short
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The latex bounce can feel lively to motion-sensitive sleepers
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It costs more than the Ocean 12 and Oak
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Deep-hug memory foam fans may want more contour
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Pros & Cons
| Pros | Cons |
|---|---|
| Cooler plush feel with fast response | More bounce than the foam models |
| Stable edges and strong ease of movement | Less deep contour than memory foam |
Details
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Starting price: $1,420
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Profile: 14", plush
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Build: 3" latex Euro-style pillowtop over high-count pocketed coils
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Cooling feature: Thermal Ice cover
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Adjustable-base compatible: Yes
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Sizes: Twin, Full/Double, Queen, King
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Warranty: 10-year
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.5/5 | The coil-and-latex build kept hips level and back sleeping steady. |
| Cooling | 4.5/5 | This was the coolest all-night performer in our testing. |
| Responsiveness | 4.6/5 | It was the easiest bed in this group to move around on. |
| Overall | 4.4/5 | Best fit for sleepers who want plush comfort without a stuck-in-foam feel. |
Ocean Mattress 12" Memory Foam
Our Testing Experience
The Ocean 12 was the quietest mattress in the set. In our testing, it absorbed the most partner movement and gave the deepest classic memory foam hug, which helped pressure relief for lighter side sleepers. The weak point was the perimeter: near the edge, it felt softer and less structured than the hybrids.
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What we liked
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Excellent motion isolation and a very calm surface
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Deep contouring for shoulders and hips
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Simple plush all-foam feel at the lowest price here
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Who it is best for
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Couples who wake easily from movement
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Side sleepers who want a traditional memory foam hug
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Value shoppers
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Where it falls short
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Softer edges reduce confidence at the perimeter
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The slower response can make quick turns feel harder
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Heavier sleepers may want a stronger support core
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Pros & Cons
| Pros | Cons |
|---|---|
| Very low motion transfer | Softer edge support |
| Deep pressure relief at a lower price | Slower recovery and more heat retention |
Details
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Starting price: $840
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Profile: 12", plush
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Build: All-foam with 3" gel-infused visco over 9" base foam
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Lead time: two weeks
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Sizes: Twin, Full/Double, Queen, King
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Warranty: 10-year
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Return window: 14-night local return window; fees apply
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Pressure Relief | 4.6/5 | The deep contour was especially good for lighter side sleepers. |
| Motion Isolation | 4.7/5 | This was the calmest mattress for partner movement. |
| Edge Support | 3.6/5 | The perimeter felt clearly softer than the hybrids. |
| Overall | 4.0/5 | Best fit for foam fans who care most about contour and motion control. |
Oak Mattress 13" High Density
Our Testing Experience
The Oak was the most alignment-focused mattress of the group. In our testing, it kept the hips lifted, felt flatter under the body, and stayed steady at the edge. It was the strongest match for heavier sleepers and back sleepers, but lighter side sleepers were more likely to notice shoulder pressure.
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What we liked
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Firm, high-confidence support
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Flippable build that should spread out wear better
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Very stable perimeter for sitting and edge sleeping
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Who it is best for
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Heavier sleepers who need resilient lift
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Back sleepers focused on alignment
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Sleepers who prefer a flatter, less huggy surface
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Where it falls short
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Side sleepers may want more cushioning at the shoulders and hips
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Lighter bodies can feel more pressure on top of the bed
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It passes along more feedback than the Ocean 12
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Pros & Cons
| Pros | Cons |
|---|---|
| Firm support with strong alignment | Less forgiving for lighter side sleepers |
| Flippable design and sturdy edges | Not a plush, sink-in feel |
Details
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Starting price: $890
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Profile: 13", firm, flippable
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Build: High-density foam, premium foam encasement, and a high coil count spring unit
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Cooling feature: Thermal Ice cooling technology
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Sizes: Twin, Full/Double, Queen, King
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Warranty: 10-year
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Delivery fee shown at checkout: $75
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.8/5 | This was the strongest alignment bed, especially for bigger bodies. |
| Edge Support | 4.7/5 | The perimeter stayed strong under seated weight. |
| Pressure Relief | 3.9/5 | The firmer feel trades away some cushioning for shoulders and hips. |
| Overall | 4.4/5 | Best fit for firm-feel sleepers who care more about support than plushness. |
Compare Performance Scores of These Mattresses
| Mattress | Overall | Support | Pressure Relief | Cooling | Motion Isolation | Durability | Responsiveness |
|---|---|---|---|---|---|---|---|
| Atlantic | 4.3/5 | 4.4/5 | 4.7/5 | 4.2/5 | 4.1/5 | 4.2/5 | 3.8/5 |
| Heyward | 4.4/5 | 4.5/5 | 4.4/5 | 4.5/5 | 4.0/5 | 4.5/5 | 4.6/5 |
| Ocean 12 | 4.0/5 | 4.0/5 | 4.6/5 | 4.1/5 | 4.7/5 | 3.7/5 | 3.5/5 |
| Oak | 4.4/5 | 4.8/5 | 3.9/5 | 4.4/5 | 4.0/5 | 4.7/5 | 4.3/5 |
The Heyward and Oak were the most even overall. The Ocean 12 had the biggest split between strengths and weaknesses, while the Atlantic stood out for plush pressure relief and edge stability.
How to Choose the Charleston Mattress?
Start with sleep position and how much sink you like. Side sleepers who want deeper contour usually land on the Atlantic or Ocean 12. Back sleepers who want a flatter, firmer plane are more likely to prefer the Oak. If you sleep hot or change position often, the Heyward is usually the easiest fit.
Common picks
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Lightweight side sleepers: Ocean 12 or Atlantic
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Back sleepers: Heyward or Oak
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Hot sleepers: Heyward, then Oak
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Couples sensitive to movement: Ocean 12, then Atlantic
Limitations
| Mattress | Main Limitations |
|---|---|
| Atlantic | Slow rebound, more warmth, softer support for strict stomach sleepers |
| Heyward | Bouncier feel, higher price, less deep hug than memory foam |
| Ocean 12 | Soft edges, slow turns, less support for heavier sleepers |
| Oak | Too firm for some side sleepers, less plush cushioning, more feedback than all-foam |
Charleston Mattress Vs. Alternatives
Charleston’s strength is how clearly these four models separate by feel. The Atlantic and Ocean 12 cover the plush end, the Heyward adds a cooler latex lift, and the Oak gives you the firm flippable option. If none of those profiles matches the way you sleep, compare them with other foam, latex, and hybrid beds.
Pro Tips for Charleston Mattress
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Give the plush models a short break-in period before you judge nightly alignment.
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If you run hot, start with breathable bedding before assuming you need a different mattress.
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If you sit on the edge often, the Atlantic, Heyward, and Oak feel steadier than the Ocean 12.
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If you choose the Oak and sleep on your side, a softer pillow or light topper can help at the shoulder.
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Rotate regularly, and flip the Oak on schedule to spread wear more evenly.
FAQs
Which Charleston Mattress model felt coolest through the night?
The Heyward stayed the most consistently cool in our testing. The Oak also ran cooler than the softer foam models because it kept the body more on top of the mattress.
Which model is best if I wake up from my partner moving?
The Ocean 12 absorbed the most movement and stayed the calmest when someone changed position. If you want a hybrid instead, the Atlantic reduced motion better than the Heyward or Oak.
I’m mostly a side sleeper—Atlantic or Ocean 12?
Choose the Atlantic for a thicker plush surface and stronger edges. Choose the Ocean 12 for a deeper memory foam cradle and the quietest feel.
Who should look at the Oak?
The Oak is the strongest fit for heavier sleepers and back sleepers who want a firm, alignment-first feel. If you are lightweight and mostly sleep on your side, it can feel too unyielding.
