If you want dependable firearm storage that can handle more than everyday bumps and dust, waterproof long gun safes are worth a close look. The best models combine strong steel construction, smart access control, and added protection against water intrusion.
This roundup highlights 10 options for different needs, from quick-access biometric designs to larger capacity safes for rifles, shotguns, and mixed firearm collections.
Best 10 Waterproof Long Gun Safes Picks for 2026
Best for Fire Protection
Wasatch 18-Gun Fireproof Waterproof Safe
- 1400°F fire rating for 45 minutes
- Waterproof build for added protection
- Electronic lock with alarm and backup key
Best For: Buyers who want a practical long-gun safe with both fire and water protection plus simple electronic access.
Best Biometric Security
Karini 12-15 Biometric Rifle Safe
- Biometric, PIN, and key access for quick entry
- Stores 12-15 long guns with adjustable interior
- 16-gauge steel with locking bolts and alarm
Best For: Multi-gun owners who want fast biometric access and flexible long-gun storage.
Best for Easy Setup
5.2 Cub Fireproof Waterproof Home Safe
- 5.2-cubic-foot interior with 3 removable shelves
- Programmable keypad, spare keys, and dual alarm
- Fireproof, water-resistant steel construction with anchor points
Best For: Home users who want a roomy fireproof, water-resistant safe for documents, ammo, and valuables.
Best for Large Rifle Capacity
KAER Biometric Rifle & Pistol Safe
- Stores 15-16 firearms with flexible interior layout
- Biometric fingerprint lock for fast access
- Adjustable pistol cabinets and stock storage
Best For: Owners with larger mixed firearm collections who want quick biometric access and flexible storage.
Best for Organization
- Removable shelf and adjustable rack improve long-gun organization
- Locking drawer adds separate storage for ammo and valuables
- Arrives fully assembled with keypad entry and tamper alarm
Best For: Homeowners who want a ready-to-use long gun safe with separate storage for rifles, handguns, and accessories.
Best Biometric Access
KAER Biometric Rifle Safe for 14-15 Guns
- Holds 14-15 firearms with adjustable racks
- Fingerprint, keypad, and emergency key access
- Adds extra storage for pistols and accessories
Best For: Home users who want quick biometric access and flexible long-gun storage.
Best Value Long-Gun Cabinet
- Compact vertical footprint for smaller spaces
- Includes shelf, gun racks, and two keys
- Stores rifles and pistols in one cabinet
Best For: Budget buyers who want a compact home gun cabinet with basic organization.
Best Simple Pick
No-Assembly Rifle & Pistol Gun Safe
- Fully assembled out of the box
- Cold-rolled steel with 3 locking bolts
- Storage box, shelf, and pistol/ammo slots
Best For: Gun owners who want a ready-to-use rifle safe with organized storage and strong anti-theft features.
Best for Fire Protection – Wasatch 18-Gun Fireproof Waterproof Safe
Wasatch 18-Gun Fireproof and Waterproof Safe with Electronic Lock, Gray (18EGW)
Check Price On AmazonIf you want one of the more well-rounded waterproof long gun safes for everyday home security, the Wasatch 18-Gun Safe is worth a close look. It pairs a 1400°F fire rating for 45 minutes with waterproof protection, an electronic lock, and a full-access door design that makes storage and retrieval easier.
Best For: Buyers who want a practical long-gun safe with both fire and water protection plus simple electronic access.
Pros:
- 1400°F fire rating for 45 minutes adds solid protection in an emergency
- Waterproof construction helps safeguard contents from moisture and flooding
- Electronic lock includes an alarm function and backup key access
- Full 180-degree door opening improves access to the interior
Cons:
- Electronic lock may not appeal to buyers who prefer purely mechanical security
- 18-gun capacity can vary depending on rifle size and scope setup
Overall, this Wasatch model is a strong value pick for shoppers comparing waterproof long gun safes and wanting a mix of fire resistance, water protection, and everyday convenience. It is especially appealing if you want dependable core security features without moving into a much higher price tier.
Best Biometric Security – Karini 12-15 Biometric Rifle Safe
If you’re comparing waterproof long gun safes, the Karini stands out more for fast access and heavy-duty steel security than for true water resistance. Its 16-gauge cold-rolled steel body, biometric unlock, and large-capacity layout make it a practical pick for owners who want quick access to rifles and shotguns without giving up organization.
Best For: Multi-gun owners who want a large, quick-access rifle safe with biometric entry and flexible storage for optics-equipped long guns.
Pros:
- Biometric, PIN, and backup key access for flexible quick entry
- Fits 12-15 long guns up to 53″ with adjustable racks and shelves
- Heavy 16-gauge steel build with four large live-locking bolts
- Alarm and silent mode add convenience and security
Cons:
- Requires assembly and likely two people for easier setup
- Not marketed as a waterproof long gun safe
- Battery-dependent electronic access needs backup power planning
Overall, this is a strong value if your priority is secure, organized rifle storage with fast access. Just note that buyers specifically shopping for waterproof long gun safes should verify moisture protection separately, since this model emphasizes steel security and biometric convenience instead of sealed weather resistance.
Best for Home Security – 3.4 Cubic Fireproof Waterproof Home Safe
If you need a budget-friendly option that can handle documents, cash, medicines, and even a firearm, this 3.4-cubic-foot safe is a practical pick for waterproof long gun safes buyers who want basic protection without overcomplicating setup. It combines a steel body, pry-resistant door design, keypad access, and an alarm system for everyday home security.
Best For: Homeowners who want a roomy, multi-use safe for valuables, paperwork, and light firearm storage.
Pros:
- Large 3.4-cubic-foot interior with a removable shelf for flexible organization
- Steel construction with live bolts, concealed hinges, and an alarm for added security
- Digital keypad plus emergency keys for backup access
- Anchoring design helps secure the safe to a wall or floor
Cons:
- More of a home security safe than a dedicated long-gun cabinet
- Waterproof and fireproof claims may not match the higher standards of premium safes
- Single-shelf layout may be limiting for longer or bulky firearms
This is a solid all-purpose choice if you want a safer place for valuables and occasional firearm storage, but shoppers prioritizing true waterproof long gun safes should compare its internal dimensions carefully before buying.
Best for Quick-Access Storage – INTERGREAT 8–12 Gun Safe
If you want one of the more practical waterproof long gun safes for home storage, this INTERGREAT model leans into capacity and convenience. It holds 8–12 guns, includes adjustable racks for better organization, and is designed for quick access when you need to reach rifles or pistols without a lot of hassle.
Best For: Homeowners who want an easy-assemble long gun safe with flexible storage for mixed rifle and pistol setups.
Pros:
- Fits a useful 8–12 gun range for growing collections
- Adjustable gun racks help customize the interior layout
- Quick-access design is convenient for everyday home use
- Easy assembly makes setup less intimidating
Cons:
- Not the most compact option for tight spaces
- May be more capacity than casual owners need
Overall, this is a solid value-minded pick if you prioritize storage flexibility over heavy-duty premium features. Among waterproof long gun safes, it stands out most for easy setup and adaptable organization rather than luxury finish or advanced electronics.
Best for Easy Setup – 5.2 Cub Fireproof Waterproof Home Safe
If you want a budget-friendly security box with fire and water resistance, this 5.2-cubic-foot safe is worth a look. It’s a practical option for people comparing waterproof long gun safes, especially if you need a larger interior for documents, handguns, ammo, and other valuables rather than a dedicated rifle cabinet.
Best For: Homeowners who want a large, fireproof, water-resistant safe with keypad access and solid anti-theft features for mixed valuables.
Pros:
- Large 5.2-cubic-foot capacity with three removable shelves for flexible storage
- Programmable keypad, spare keys, and dual alarm system for everyday convenience
- Steel body with live locking bolts, concealed hinges, and anchoring hardware
- Fireproof and waterproof design adds extra protection for important items
Cons:
- Not a true long-gun cabinet, so rifle storage is more limited than dedicated safes
- At 37.7 pounds, it may feel light for buyers wanting maximum theft resistance
- Interior layout is better for mixed valuables than long firearms
Overall, this safe makes sense if you want one secure, versatile box for papers, electronics, ammo, and a few firearms. For shoppers comparing waterproof long gun safes, it stands out more for storage flexibility and home protection than for pure rifle capacity.
Best for Large Rifle Capacity – KAER Biometric Rifle & Pistol Safe
If you want one of the more capacity-focused waterproof long gun safes for a home or garage setup, this KAER model is worth a look. It’s built around storing a large mix of rifles and pistols, with adjustable interior space and a biometric lock for faster access.
Best For: Buyers who need a high-capacity gun safe with fingerprint entry, pistol storage, and flexible shelving for mixed firearm collections.
Pros:
- Fits 15-16 firearms, making it a strong option for larger collections
- Biometric fingerprint lock adds quick, convenient access
- Adjustable pistol cabinets and stock layout improve storage flexibility
- Silent alarm mode is a useful security feature for discreet setups
Cons:
- Large footprint may be too much for smaller rooms or closets
- Waterproof long gun safes like this are still best kept in a controlled indoor location
- Capacity claims can vary depending on rifle size and accessory setup
This KAER safe stands out most for volume and access speed, not compactness. If you’re comparing waterproof long gun safes for a bigger arsenal, the combination of biometric entry and adjustable storage makes it especially practical for everyday home use.
Best for Organization – 25-Gun Safe with Drawer
If you want one of the more organized options in waterproof long gun safes, this 25-gun cabinet stands out for its removable shelf, adjustable rifle rack, and separately locking drawer for ammo or valuables. It arrives fully assembled, includes LED lighting and a digital keypad, and is designed for buyers who want quick access without giving up a structured interior.
Best For: Homeowners who want a ready-to-use long gun safe with separate storage for rifles, handguns, and accessories.
Pros:
- Multi-compartment layout with a locking drawer, pistol pockets, and rifle storage
- Fully assembled and pre-drilled for easier mounting straight out of the box
- Digital keypad, backup keys, and tamper alarm add convenient access and security
- Felt-lined interior and LED lighting help protect and organize firearms
Cons:
- Not a true waterproof safe, so it still needs dry indoor placement
- Large footprint may be too big for tighter spaces
- Heavier build can make repositioning more difficult after installation
For buyers comparing waterproof long gun safes, this model is better viewed as an organized indoor storage solution than a weatherproof container. Its biggest strengths are convenience, compartmentalization, and no-assembly setup, which make it a practical pick for everyday home firearm storage.
Best Biometric Access – KAER Biometric Rifle Safe for 14-15 Guns
If you want a large-capacity option among waterproof long gun safes, this KAER cabinet is built around quick access and organized storage rather than a compact footprint. It holds up to 14-15 firearms, uses removable racks for flexible layouts, and adds biometric, keypad, and emergency key entry for multiple access methods.
Best For: Buyers who want fast biometric access, flexible rifle storage, and room for both long guns and handguns in one cabinet.
Pros:
- Stores 14-15 firearms with adjustable racks for different rifle and shotgun heights
- Biometric fingerprint lock plus keypad and emergency key backup
- Includes overhead storage, door hooks, and ammo box organization
- Heavy-duty 15-gauge cold-rolled steel construction
Cons:
- Not a true waterproof long gun safe, so it’s better for indoor security than flood protection
- Large cabinet size may be impractical for smaller rooms
- Firearms over 45.5 inches require rack removal for proper fit
This is a strong pick if your priority is fast access and flexible storage, but shoppers comparing waterproof long gun safes should note that its focus is security and capacity, not waterproof sealing.
Best Value Long-Gun Cabinet – Goplus 8 Gun Safe
If you want an affordable, space-conscious option among waterproof long gun safes, the Goplus 8 Gun Safe is geared toward storing rifles and shotguns with a simple quick-access layout. Its 17″ W x 11″ D x 53″ H footprint makes it easier to fit in a home closet or corner, while the included shelf, gun racks, and two-key lock add everyday convenience.
Best For: Budget-minded buyers who want a compact long-gun cabinet for home rifle and shotgun storage with basic organization.
Pros:
- Compact vertical design fits smaller rooms better than many full-size safes
- Includes a storage shelf and gun racks for organizing firearms and accessories
- Simple two-key lock offers quick access without a complicated setup
- Suitable for rifles and pistols in one cabinet
Cons:
- Not a true waterproof long gun safe, so moisture protection may be limited
- Fireproof and security claims should be checked against your specific needs
- Internal space may be tight for larger rifles with optics or attachments
Overall, this Goplus cabinet makes sense if you need a straightforward long-gun storage solution and are comparing waterproof long gun safes mainly for size, access, and value. It is better suited to basic home storage than heavy-duty weatherproof protection.
Best Simple Pick – No-Assembly Rifle & Pistol Gun Safe
If you want one of the more practical waterproof long gun safes for home use, this model stands out for its fully assembled build, solid steel construction, and flexible storage layout. It’s a good fit for buyers who want faster setup, organized access to rifles, pistols, and ammo, and added security features without dealing with a complicated install.
Best For: Gun owners who want a ready-to-use rifle safe with organized storage and strong anti-theft features.
Pros:
- Arrives fully assembled, saving time and setup hassle
- Heavy-duty cold-rolled steel body with three 20mm locking bolts
- Built-in storage box, removable shelf, and door slots for handguns and ammo
- Anti-tamper alarm adds an extra layer of protection
Cons:
- Not a true waterproof-rated safe, despite moisture-resistant coating
- Fits up to five long guns, which may be limiting for larger collections
- Large footprint may require careful placement in smaller rooms
Overall, this is a strong pick for buyers prioritizing convenience and secure storage over premium finishes or advanced waterproofing. For shoppers comparing waterproof long gun safes, the moisture-resistant coating is helpful, but the bigger appeal here is the no-assembly design and practical organization.
How We Picked These Waterproof Long Gun Safes
We focused on storage capacity, locking method, build quality, interior flexibility, and protection features that matter in real homes and emergencies. For Waterproof Long Gun Safes, we also looked for construction details and product claims that support better moisture resistance, along with practical ownership factors like accessibility and organization.
Quick Comparison
If you need the fastest access, biometric models are the most convenient. If capacity is the priority, larger cabinet-style safes typically offer more room for long guns plus pistols, shelves, and accessories. Fireproof and waterproof combo safes can also make sense when you want broader protection for documents or valuables alongside firearms.
Key Buying Factors for Waterproof Long Gun Safes
Capacity and Interior Layout
Choose a safe that fits your current collection with a little growth room. Adjustable racks, removable shelves, and pistol storage can make a big difference if you own multiple rifle lengths or want to store accessories inside the same cabinet.
Lock Type and Access Speed
Biometric locks are ideal for rapid entry, while electronic keypads offer a familiar balance of speed and control. Mechanical keys and backup access methods are useful if you want a fallback during power issues or battery failure.
Water and Fire Protection Claims
Not all Waterproof Long Gun Safes are built the same. Check whether the manufacturer specifies water resistance, flood protection, or full waterproof construction, and look for fire ratings separately if heat protection matters to you. Water and fire claims should be evaluated independently.
Steel, Weight, and Security
Heavier steel construction generally improves resistance to tampering and makes the safe harder to move. If you plan to keep it in one location, weight can be an advantage. For apartments or upper floors, balance security against what you can safely install and anchor.
Who Should Buy Which Waterproof Long Gun Safes?
If you want the simplest all-around choice, look for a medium- to large-capacity gun safe with an electronic or biometric lock. If you own several rifles and pistols, a larger cabinet-style model with adjustable racks is usually the best fit. If your top concern is broader household protection, a fireproof and waterproof safe with interior shelving may be more practical than a dedicated gun-only design.
For buyers shopping Waterproof Long Gun Safes, the best option is usually the one that matches your firearm count, access preference, and storage location first, then adds the protection features you actually need.