We may earn revenue from the products available on this page and participate in affiliate programs. Learn More ›
I’ve personally tested and reviewed many of the best gun safes, and some of them are on sale right now for Prime Big Deal Days (Oct. 6–7, 2026). So if you’re looking to protect documents, handguns, and valuables from fire, flood, and curious hands, these deals are worth a look.
Note: We skipped the off-brand biometric cabinets flooding the sale and stuck with brands and models we know.
Fireproof and Waterproof Safes
SentrySafe SFW123DSB Fireproof and Waterproof Safe
Prime Day price: $189.04 | Was: $224.99 | 16% off | See it on Amazon
A 1.23-cubic-foot safe, UL Classified for one hour at 1,700°F and ETL Verified for 24 hours in 8 inches of water, with four live-locking bolts and a dial combination lock.
Outdoor Life note: This is the dial-lock version of the SFW123GDC, which won Best Overall in our home safe guide and Best for Home in our gun safe guide. Read more.
SentrySafe SFW205 Fireproof and Waterproof Floor Safe
Prime Day price: $310.41 | Was: $397.99 | 22% off | See it on Amazon
A bigger 2.05-cubic-foot floor safe with the same one-hour fire and 24-hour water ratings and a dial lock.
SentrySafe Fireproof and Waterproof Home Safe (Digital Keypad, Gray)
Prime Day price: $416.45 | Was: $489.99 | 15% off | See it on Amazon
A floor safe with a digital keypad and interior lighting, UL Classified for one hour at 1,700°F.
SentrySafe Fireproof and Waterproof Shelf Safe
Prime Day price: $189.04 | Was: $229.99 | 18% off | See it on Amazon
A shelf-size safe with a dial lock and override key, rated for one hour of fire and 24 hours in 5 inches of water.
SentrySafe Fireproof and Waterproof Document Safe
Prime Day price: $55.20 | Was: $68.99 | 20% off | See it on Amazon
A keyed lock box for passports, titles, and hunting licenses, rated for a half hour at 1,550°F and 72 hours of submersion.
RPNB Biometric Fireproof Home Safe (1.29 cu. ft.)
Prime Day price: $254.99 | Was: $299.99 | 15% off | See it on Amazon
A biometric home safe with a 500 DPI fingerprint reader, touchscreen keypad, and backup key.
Save 20% on a StopBox
This is a lock box that doesn’t need batteries or a key to open.
Gun Safe Dehumidifiers
Lockdown GoldenRod Dehumidifier (24-Inch)
Prime Day price: $43.11 | Was: $60.99 | 29% off | See it on Amazon
A plug-in rod rated to protect up to 300 cubic feet, with attachable legs and a quick-plug cord.
Outdoor Life note: The GoldenRod earned Best Overall in our gun safe dehumidifier guide and Best Gun Safe Accessory in our gun safe guide. Read more.
Lockdown 12-Inch Dehumidifier Rod
Prime Day price: $18.91 | Was: $29.99 | 37% off | See it on Amazon
A smaller rod for safes up to 100 cubic feet.