1 / 1Images: Mattress Insider. Shown size and configuration may vary.
Sedona (5.5″ Firm Foam)
Best for: Mattress Insider’s firm, thin entry model
A 5.5″ firm foam mattress, the lowest-cost option, in standard, RV and many old-bed sizes.
Good to know: Trial and warranty differ between its RV and home pages (121 vs 365 nights; 5 vs 10 years).
- Type
- Foam
- Height
- 5.5″
- Sizes
- Made to order + custom
- Certified
- CertiPUR-US
48 × 75 in · 5.5″ tall
Where to get it
- mattressinsider.comQueen $361 (sale, was $480) · checked Oct 17 Get a quote
Returns: RV page text: 121-night zero-risk trial (the page header also shows a '365 Day Money Back Guarantee' badge). Details
We may earn a commission if you buy. Check the price for your exact size and height on the seller’s site.
The short version
Worth a look if
- Mattress Insider’s firm, thin entry model
Good
- A 5.5″ firm foam mattress, the lowest-cost option, in standard, RV and many old-bed sizes.
- Trial: RV page text: 121-night zero-risk trial (the page header also shows a '365 Day Money Back Guarantee' badge). Home page: 365-night trial.
- Buyers described it as firm yet comfortable, and one who wanted a medium feel said it gave enough support without sinking in too far.
- One owner said moisture problems they had with their previous RV mattress seemed better with this one.
Think about
- Trial and warranty differ between its RV and home pages (121 vs 365 nights; 5 vs 10 years).
- A couple with different firmness preferences said it was a big step up from their old mattress but a compromise for the two of them.
Based on the maker’s published specs and terms, and the owner reviews linked below. We haven’t slept on it. Something wrong? Tell us.
What owners say
From reviews on the seller’s site A small set of real reviews, each linked to its source. Not a star rating.
Only brand-hosted reviews were found: buyers call it firm but comfortable and an improvement over their old RV mattress; one couple with different tastes called it a compromise.
What people liked
What to weigh up
- A couple with different firmness preferences said it was a big step up from their old mattress but a compromise for the two of them. Source ↗
Sources & sample limits
9 reviews read on the brand's own Sedona RV product page, 2017–2026 Sample: 9 owner reports.
Only the seller's own reviews (Yotpo widget on mattressinsider.com) were found. They are self-selected and cannot be checked; no independent owner posts naming this model turned up in web searches of Reddit and RV forums (iRV2, Thor and Forest River forums blocked automated reading).
Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.
Every size it comes in
Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it. Sizes marked “as listed” don’t exactly match a standard size, so check your frame.
Price for every size
From the maker’s site on Oct 24, 2026. Prices change often, so check before you buy.
How it compares
Beside the most similar mattresses from other brands.
| Sedona (5.5″ Firm Foam)Mattress Insider | The LogyCustomMattress.com | Black Foam 12″EGOHOME | Black Foam 12″ ProEGOHOME | |
|---|---|---|---|---|
| Type | Foam | Foam | Memory foam | Memory foam |
| Queen price | $361 | $425 | $379 | $419 |
| Height | 5.5″ | 5″ or 6″ or 7″ or 8″ or 9″ or 10″ or 11″ or 12″ | 12″ | 12″ |
| Trial | 121 nights | See terms | 100 nights | 100 nights |
| Odd sizes | 18 | 10 | None | None |
| Expert reviews | None yet | None yet | 2 | None yet |
What’s inside
- 1Smooth organic cotton cover
- 25.5″ plant-based high-density support foam
- 3No-slip fabric base
- Feel
- Firm
- Height
- 5.5″
- Custom sizes
- Yes, the maker builds to your measurements
Complete the bed
Odd sizes need everything else in the same inches. Here’s what we have for this mattress’s odd sizes.
3/4 · 48 × 75
Short queen · 60 × 75
Olympic queen · 66 × 80
RV king · 72 × 80
Short king · 72 × 75
RV bunk / narrow twin · 30 × 75
Truck sleeper 35 × 79 · 35 × 79
Truck sleeper 42 × 80 · 42 × 80
Short full · 48 × 74
Short queen · 74-inch · 60 × 74
RV king (70 × 80) · 70 × 80
RV bunk (28 × 75) · 28 × 75
RV bunk (30 × 74) · 30 × 74
RV bunk (30 × 80) · 30 × 80
RV bunk (32 × 74) · 32 × 74
RV bunk (34 × 75) · 34 × 75
Full XL · 54-inch · 54 × 80
Full XL · 53-inch · 53 × 80
Returns and ordering
Trial and returns
RV page text: 121-night zero-risk trial (the page header also shows a '365 Day Money Back Guarantee' badge). Home page: 365-night trial.
Before you order
- Measure inside the frame, not the old mattress
- Check clearance above for the height you pick
- Make sure your base supports it
- Buy sheets in the same exact size
Questions
What is it made of?
5.5″ of plant-based high-density support foam in a smooth organic cotton cover with a no-slip fabric base. Seller's most affordable model.
How firm is it?
Firm That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
62 sizes, 5.5″. See every size. Confirm your exact size and height with the seller.
Are the reviews about this exact mattress?
From reviews on the seller’s site. Only the seller's own reviews (Yotpo widget on mattressinsider.com) were found. They are self-selected and cannot be checked; no independent owner posts naming this model turned up in web searches of Reddit and RV forums (iRV2, Thor and Forest River forums blocked automated reading).
Where did this information come from?
- product page: sizes in its size selector, displayed prices, construction, trial and warranty text
- same design sold on this page; its size list is merged in
- Custom Mattress Builder: pick model, any width and length, add corner cuts (angle, notch, radius)
Checked 2026-10-17. Specs and terms can change.



