WarehouseHawkDomestics
SERENITY COOLING MATTRESS TOPPER KING
Price & stock at Simi Valley, CA
check another
$129.99
$169.99
In stock
Instant Savings
Save $40.00 (24% off)
Ends Jul 19
Checked 1 hour ago.
Not sold on Costco.com
Price history
at Simi Valley · since Jun 22, 2026
Low$129.99Jul 8
High$169.99
Average$149.99
Show price changes
| When | Price | Stock |
|---|---|---|
| Jul 8, 2026 | $129.99 | In stock |
| Jun 22, 2026 | $169.99 | In stock |
Prices at other warehouses
This is the lowest price we've tracked, $129.99.
$130.19 average
$169.99 high at Mesa
across 599 priced warehouses
| Warehouse | Price | Stock | Updated | |
|---|---|---|---|---|
| Simi Valley, CA this page | $129.99 | In stock | 1 hour ago | |
| Dallas, TX | $129.99 | In stock | 1 hour ago | Show |
| Arundel Mills · Hanover, MD | $129.99 | Low stock | 1 day ago | Show |
| Columbia MD · Elkridge, MD | $129.99 | In stock | 11 hours ago | Show |
| Glen Burnie, MD | $129.99 | In stock | 1 day ago | Show |
| Beltsville, MD | $129.99 | In stock | 1 day ago | Show |
| Woodmore Towne Centre · Glenarden, MD | $129.99 | In stock | 9 hours ago | Show |
| Mesa, AZ | $169.99 +$40.00 | Low stock | 3 weeks ago | Show |
Look up another warehouse search any Costco by ZIP or city
Product details
- Cooling Tempur Material
- Memory Foam
- Soft, Breathable Cover
- 80in x 76in King Size
- Machine Washable Cover.
Details come from Costco and can change, so confirm specifics with the manufacturer.