Best Master Lock Key Safes of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 31 Jan 2025

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Key safes are secure and convenient storage solutions for keys, allowing easy access for authorised individuals while keeping them safe from unauthorised access. Master Lock is a reputable brand that offers high-quality key safes that are designed to protect keys from theft, damage, and loss. These key safes are made of durable materials and can be easily mounted on walls or other surfaces. They come in a variety of sizes and styles to suit different needs and preferences, and are ideal for use in homes, offices, and other settings where key access needs to be controlled and managed.

At a Glance: Our Top Picks

MASTER LOCK Wall Mounted Key Safe Cover #TOP 1
MASTER LOCK Wall Mounted Key Safe
ftb score rating icon 9.8
MASTER LOCK Medium Wall Mounted Key Safe Cover #TOP 2
MASTER LOCK Medium Wall Mounted Key Safe
ftb score rating icon 9.7
MASTER LOCK Medium Key Safe for Outdoors Cover #TOP 3
MASTER LOCK Medium Key Safe for Outdoors
ftb score rating icon 9.5

Top 10 Master Lock Key Safes

MASTER LOCK Wall Mounted Key Safe

5401EURD
Black & Silver
Medium
MASTER LOCK Wall Mounted Key Safe Cover
MASTER LOCK Key Safe Wall Mounted, Medium 85 x 119 x 36 mm, Outdoor, Mounting Kit, for Home Office Industries Vehicles, Black & Silver

The MASTER LOCK Key Safe is a practical solution for securely storing keys and access cards both indoors and outdoors. With a large internal cavity, it allows you to store multiple keys conveniently. The resettable 4-digit combination provides keyless access, giving you the freedom to set a personalised code. Its durable metal construction and weather-resistant shutter door ensure that your keys are protected from the elements. This makes it an excellent choice for sharing keys with family, caretakers, or home workers.

What We Like
Convenient keyless access
Secure storage for multiple keys
Weather-resistant design
Easy to install
Ideal for sharing keys
#TOP 2

MASTER LOCK Medium Wall Mounted Key Safe

5415EURD
Multi-colour
Medium
MASTER LOCK Medium Wall Mounted Key Safe Cover
MASTER LOCK Certified Key Safe Wall Mounted, Medium 105 x 132 x 43 mm, Outdoor, Mounting Kit, for Home Office Industries Vehicles

The MASTER LOCK Key Safe is a practical solution for both indoor and outdoor key storage. Its large internal cavity allows you to securely store multiple keys, providing peace of mind. With a resettable 4-digit combination, you can easily set your own code for keyless convenience. The durable metal construction ensures your keys are protected, while a shutter door shields the combination dials from the weather. This key safe is ideal for sharing access with family, caretakers, or home workers, making it perfect for Airbnb and home rental situations.

What We Like
Secure key storage solution
Customisable 4-digit combination
Durable metal construction
Weather-resistant design
Great for sharing access
#TOP 3

MASTER LOCK Medium Key Safe for Outdoors

5401EURDCRM
Cream
MASTER LOCK Medium Key Safe for Outdoors Cover
MASTER LOCK Key Safe Wall Mounted, Medium 85 x 119 x 36 mm, Cream, Outdoor, Mounting Kit, for Home Office Industries Vehicles

The MASTER LOCK Key Safe offers a convenient solution for securely storing multiple keys and access cards, making it ideal for both indoor and outdoor use. With its resettable 4-digit combination, you can easily set and personalise your access code for keyless convenience. The durable metal body construction ensures that your keys are protected from the elements, while the large internal cavity accommodates various key sizes. Installation is straightforward, thanks to the included mounting kit, allowing you to place it wherever you need quick access to your keys.

What We Like
Keyless convenience with personal codes
Durable, weather-resistant design
Large capacity for multiple keys
Simple installation with mounting kit
#TOP 4

Master Lock 5490EURD Key Safe Tether

5490D
Black
0 cm x 0 cm x 0 cm
Master Lock 5490EURD Key Safe Tether Cover
Master Lock 5490EURD Retractable Tether for Key Safe, Up to 91 cm Long, Black

The Master Lock Key Safe Tether is an essential security tool designed to ensure that all keys are returned to the safe after use. It is particularly useful for sharing and securing keys with personal aides, real estate agents, babysitters, and cleaning staff. The easy installation process, using high-strength bonding tape, makes it suitable for almost all Master Lock key safes. With a 91 cm twisted steel cable, you can easily attach one or several keys, providing convenience and peace of mind.

What We Like
Ensures keys are returned safely
Ideal for sharing keys easily
Simple and quick installation
Durable twisted steel cable
#TOP 5

MASTER LOCK Wall Mounted Key Safe

5423EURD
Gray
MASTER LOCK Wall Mounted Key Safe Cover
MASTER LOCK Push-Button Key Safe Wall Mounted, Medium 79 x 117 x 52 mm, Outdoor, Mounting Kit, for Home Office Industries Vehicles

The MASTER LOCK Key Safe is a versatile wall-mounted lock box suitable for both indoor and outdoor use. With a resettable push-button combination, you can enjoy keyless convenience and create a personalised code that suits your needs. Its durable metal construction ensures long-lasting use, while the shutter door protects the combination dials from the elements. Ideal for storing multiple keys, this key safe is perfect for sharing access with family, roommates, or caretakers, making it particularly useful for Airbnb hosts and home rentals.

What We Like
Keyless convenience with a resettable code
Durable metal construction
Weather protection for dials
Great for sharing access
#TOP 6

Master Lock Wall Mounted Key Lock Box

5401EC
Black
5 Key Capacity
Master Lock Wall Mounted Key Lock Box Cover
Master Lock Wall Mount Key Lock Box, Outdoor Wall Mounted Lock Box for House Keys, Key Safe with Combination Lock, 5 Key Capacity, 5401EC

The Master Lock Key Safe offers a secure way to store up to five keys, making it ideal for both indoor and outdoor use. You can set your own four-digit combination, allowing for personalised access codes that enhance security. Its sturdy metal construction ensures durability, while the shutter door shields the combination dials from the elements, protecting them from weather damage. With compact dimensions, this lock box fits conveniently on any wall or fixed object, giving you peace of mind knowing your keys are safe.

What We Like
Large key capacity
Customisable combination lock
Durable metal construction
Weather-resistant design
Compact size for easy installation
#TOP 7

MASTER LOCK Bluetooth Key Safe for Indoor and Outdoor

5441EURD
Black
Small
MASTER LOCK Bluetooth Key Safe for Indoor and Outdoor Cover
MASTER LOCK Smart Connected Key Safe Wall Mounted, Bluetooth or Combination Lock, Medium 83 x 127 x 59 mm, Outdoor, for Home Office Industries Vehicles

The MASTER LOCK Key Safe offers a smart solution for securely storing keys and access cards, suitable for both indoor and outdoor use. You can unlock it easily using your smartphone or by entering a numerical code, providing flexibility in access. This lock box allows you to share access with guests, whether temporary or permanent, enhancing convenience for visitors. Additionally, you can monitor activity and receive alerts for tampering or low battery via the Master Lock Vault Locks app, ensuring peace of mind.

What We Like
Smartphone and keypad access
Share access with guests
Activity monitoring and alerts
Weather resistant for outdoor use
No monthly fees
#TOP 8

MASTER LOCK Weatherproof Wall Mounted Key Safe

5415EURDCOM
Grey
Extra Large
MASTER LOCK Weatherproof Wall Mounted Key Safe Cover
MASTER LOCK Reinforced Security Key Safe, Certified, Weatherproof, Wall Mounted

The MASTER LOCK Key Safe is a versatile solution for securely storing your keys, making it ideal for both indoor and outdoor use. Its large internal cavity allows you to store multiple keys or access cards, providing easy access when needed. With a resettable 4-digit combination, you can personalise your security without the hassle of a key. The durable metal construction ensures it withstands the elements, while the shutter door adds an extra layer of protection. This key safe is perfect for sharing access with guests or tradesmen.

What We Like
Weatherproof design
Large storage capacity
Resettable combination
Durable metal construction
Easy access for multiple users
#TOP 9

Master Lock MLK5401THR Medium Key Lock Box

Layout MLK5401THR
Black-silver
Master Lock MLK5401THR Medium Key Lock Box Cover
Master Lock Layout MLK5401THR 5401E Medium Select Access Key Lock Box + Tether-Grey, Black-Silver

The Master Lock Key Lock Box is designed for secure access to your keys. Its tough aluminium body ensures durability, making it suitable for both indoor and outdoor use. You can easily set your own 4-wheel combination lock, providing peace of mind that your keys are safe. The weather-resistant shutter door protects your keys from the elements, so you don't have to worry about damage. This lock box can be wall-mounted in discreet locations, allowing you to leave keys safely for family members.

What We Like
Durable aluminium construction
Customisable combination lock
Weather-resistant design
Wall-mounted for convenience
Safe key storage for family
#TOP 10

Master Lock 5400D Key Storage Box

5400D
Black
Master Lock 5400D Key Storage Box Cover
Locking Combination 5-Key Steel Box, 3 1/2w x 1 5/8d x 4h, Black/Silver

The Master Lock 5400D Box is a practical solution for securely storing your keys. It features a set-your-own combination lock, allowing you to create a code that is easy for you to remember, yet hard for others to guess. The large size ensures that you have ample space for multiple keys, making it perfect for sharing access with trusted individuals. Its sleek black and silver design not only looks stylish, but also blends seamlessly with various environments, adding a touch of sophistication while prioritising security.

What We Like
Customisable combination lock
Spacious for multiple keys
Sleek design
Easy access for trusted users
Buying Guide Image
Editor's Notes

During our Master Lock key safe research, we found 23 Master Lock key safe products and shortlisted 10 quality products. We collected and analyzed 264,310 customer reviews through our big data system to write the Master Lock key safes list. We found that most customers choose Master Lock key safes with an average price of £29.22.

The Master Lock key safes are available for purchase. The top 10 picks range in price from a low of £8.00 to a high of £146.00, find the one that fits your budget.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.