The World’s Most
Secure Mailbox

Perhaps you’ve been frustrated with other locking mailboxes. Check out why Fort Knox Mailboxes are NOT your average locking mailbox. No other mailboxes are made with our materials, design, and precision

Incredible Durability and Strength

Let us demonstrate why your Fort Knox Mailbox, engineered for high-security durability and proudly made in the USA, is built to withstand even the most preposterous tests of strength. With unparalleled durability, our secure mailbox will be a steadfast fixture in front of your house for decades to come, providing peace of mind and protection for your deliveries.

Explore our Locking Mailboxes

They are like no other mailboxes made! Built for strength, durability, and security.  Each of our secure mailbox models have varying features, dimensions, and weight.

Our goal is for you to get the mailbox that matches your unique needs and will be “the last mailbox you will ever need!”

The M1-LT Mailbox

Weight:38lbs

10 × 10 × 20 in

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Small standard mailbox

Small Standard Mailbox

Weight:68lbs

10 × 10 × 21 in

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Large standard mailbox

Large Standard Mailbox

Weight:96lbs

12 × 12 × 23 in

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The Fortress mailbox

The Fortress Mailbox

Weight:98lbs

12 × 12 × 23 in

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The vacationer mailbox, secure your mail while you're gone

The Vacationer Mailbox

Weight:136lbs

12 × 18 × 23 in

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The secure Senator mailbox

The Senator Mailbox

Weight:148lbs

12 × 18 × 23 in

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The package box - secure package deliveries

The Package Mailbox

Weight:165lbs

18 × 18 × 23 in

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the Vault series of mailboxes - 4 sizes to fit your need

The Vault Series Mailbox

Weight:170-400lbs

12-24 × 24-36 × 23 in

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Fort Knox Cluster CBU Mailboxes

1/4″ Steel Cluster Box Units (C.B.U)

Weight:250-550lbs

24 × 20 × 24-42 in

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Testimonials