The Beloit Mattress Company Value Tranquility Innerspring Mattress is a factory-direct, mid-priced innerspring mattress handcrafted in Beloit, Wisconsin. It pairs a zoned pocketed-coil core with a quilted foam top and worked well in our testing for a primary bedroom or guest room. It kept my hips level, stayed easy to move on, and never felt cloud-soft or deeply plush. ($603–$1,587)
Table of Contents
Product Overview
| Mattress | Overall Score | Pros | Cons | Ideal For |
|---|---|---|---|---|
| The Beloit Mattress Company Value Tranquility Innerspring Mattress | 4.2/5 | Zoned support, steady edge, easy movement | Not plush; delivery costs can vary by zone | Back sleepers and combination sleepers who want a true medium-firm feel |
Final Verdict
If you want a medium innerspring that keeps the middle third supported and stays easy to move across, the Tranquility makes sense. In our tests the zoned coil unit gave the bed a lifted, held-up feel, while the quilted top softened the surface just enough to keep it from feeling harsh. The trade-off is simple: this is a tidy comfort layer, not a plush one, so very light sleepers may want more cushion.
Who It’s For
- Back sleepers
- Combination sleepers
- Couples who want steadier motion control
Who It’s Not For
- Ultra-plush feel seekers
- Very light side sleepers
- Anyone who wants a slow memory foam hug

How We Tested It
We slept on the mattress for multiple weeks and ran it through the same routine we use in our mattress testing process: side-to-back transitions, short stomach naps, reading in bed, and repeated in-and-out movements at night. We scored Support, Cooling, Pressure Relief, Motion Isolation, Responsiveness, Edge Support, and durability on a 5-point scale. We tracked alignment, heat buildup, shoulder and hip pressure, partner disturbance, ease of turning, edge stability, and how the build settled after early use.
Our Testing Experience
The first impression was springy but controlled. On my back, the center zone kept my beltline from dipping. On my side, the quilted top let my shoulder settle without letting my hips sink too far. Marcus Reed tracked heat and said the surface never got clammy. Jenna Brooks and Ethan Cole ran their usual in-and-out routine, and the bed settled quickly with less ripple than many classic innersprings we’ve tested. Dr. Adrian Walker pointed to the firmer middle third as the main reason my pelvis stayed level. The edge also felt dependable when I sat down to pull on socks, and sleeping near the perimeter never felt risky.
What we liked
- Balanced, medium feel with a supportive center
- Easy turning without feeling stuck, which matched what we look for in responsive mattresses
- Calm surface that settled quickly after movement
Who it is best for
- Back sleepers who want lift through the hips
- Combination sleepers who change positions often
- Couples who notice partner movement
Where it falls short
- Sleepers who want a deep, plush cradle through the shoulders
- People who want a slow-melting foam feel
- Shoppers expecting a thick pillow-top look

Pros & Cons
| Pros | Cons |
|---|---|
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Details
- Price: $603–$1,587 (varies by size and foundation option)
- Feel: Medium
- Mattress type: Innerspring with pocketed springs
- Coil system: 1148-coil Zoned Luxcore with firmer coils in the center third, plus a Vigor Edge steel perimeter
- Comfort layers: 1.4 oz bonded cotton/polyester pad in the center third, 1.5" 1.8 lb convoluted foam, 1" 1.8 lb foam, and a cotton/rayon blend quilted to a knit cover
- Mattress height: 11.5"
- Sizes: Twin through California King
- Foundation option: 9" heavy-duty Amish-built wood foundation with 18 slats, also available in 5"; see our mattress foundation guide for fit basics
- Comfort assurance: Beloit offers a 365-night comfort assurance policy; adjustment-related transportation costs may apply
- Warranty: 10 years; a separate mattress warranty guide is worth reading before you buy
- Delivery: white-glove service includes in-home setup and old mattress removal; Zone 1 is free on mattress purchases over $1,000, and smaller orders start at $40, with rates increasing by zone
- Shipping outside zones: LTL curbside option; the mattress is not compressed or rolled and ships boxed
- Shipping limits: no shipments of mattresses or foundations to Alaska, Hawaii, California, Ohio, or Utah

Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.5/5 | Zoned coil core keeps hips and lumbar steadier |
| Cooling | 3.8/5 | Coil airflow helps, though there are no dedicated cooling add-ons listed |
| Pressure Relief | 4.1/5 | Quilt and foams cushion pressure points without a deep sink |
| Motion Isolation | 4.0/5 | Pocketed coils settle quickly, though the surface still feels springy |
| Responsiveness | 4.4/5 | Easy turning and quick rebound for combination sleepers |
| Edge Support | 4.3/5 | Steel perimeter keeps the edge usable for sitting and sleep |
| Durability | 4.3/5 | Quilted build is designed to resist impressions, backed by a 10-year warranty |
| Overall | 4.2/5 | Strong overall value in a medium, zoned innerspring build |
Choosing Guide
Think of this as a medium, traditional-feeling innerspring with steadier support through the middle third. It makes the most sense for back sleepers, combination sleepers, and couples who want a livelier surface without much roll-together. In our testing the coil core also helped the bed stay reasonably breathable.
If you’re a hot sleeper, the coil core’s airflow helps, but you will still want breathable sheets. If you’re very light or strictly sleep on your side, you may want a plusher comfort layer. If you want more pressure relief, look at the Helix Midnight Luxe. If you want a taller coil-on-coil build with more firmness options, the Saatva Classic is the cleaner comparison.

Limitations
The comfort layer is neat and supportive, not fluffy, so it is a tougher match for strict side sleepers and anyone who wants a deep, slow-sinking cradle. Sleepers who prefer a very rigid surface may also want to compare it with more obviously firm mattresses. Delivery logistics can matter too, because white-glove pricing changes by zone and some states are excluded from shipping.
Vs. Alternatives
Why choose the Tranquility
- Balanced feel that lands close to a medium-firm mattress
- Supportive center third that feels steadier than many entry-level coil beds
- Pocketed coils that settle quickly after movement
Alternatives to consider
- Saatva Classic: more firmness options and a taller, coil-on-coil profile
- WinkBed: a plusher Euro-top feel with strong edge support
- Helix Plus: a sturdier option for shoppers who fit better on mattresses for heavy people
Pro Tips
- Rotate head to foot on Beloit’s schedule, because regular rotation matters for mattress durability.
- Use a proper support system so you do not undercut performance or warranty coverage; our foundation vs. box spring guide can help.
- If you sleep on your side, pair it with a slightly softer pillow so your head and neck stay in better line with your sleeping position.
- Check the fine print before ordering so you know what the warranty and comfort-adjustment process cover.
FAQs
Is it a true medium, or does it skew soft/firm?
It reads as a true medium in our testing, with supportive lift through the midsection and a quilted top that softens the surface without pushing it out of the medium range.
How is it for couples and motion transfer?
For an innerspring, it is controlled. When one person gets up, the mattress settles quickly instead of sending a long wave across the bed, which lines up with what we look for in motion isolation.
Will it sleep cool?
The coil core breathes, which helps airflow through the night. I got the best results when I treated it more like a moderately breathable bed than a dedicated cooling model and compared it with options from our best cooling mattresses guide.
Is the edge strong enough for sitting?
Yes. Putting on shoes or sliding to the edge to stand up felt stable, and sleeping near the perimeter did not feel like a slide-off, which matches what we watch for in edge support testing.