START ANCHORING, WITHOUT THE DRAMA

Knox Anchors

Anchors that stay set when conditions change.

START ANCHORING, WITHOUT THE DRAMA

Knox Anchors

Anchors that stay set when conditions change.

[ 30+ Years ]

[ BUY DIRECT ]

[ UK & EU SHIPPING ]

[ The Reality ]

Anchoring is easy. Until things change.

It’s wind shifts, changes in currents, and rising loads that reveal how an anchor really behaves.

Engineered for predictable holding

Optimised Penetration

Helps sand and mud flow between the flukes promoting penetration of seabed.

Faster Setting

Designed for steady, repeatable behaviour as conditions change.

Real World Behaviour

Optimised for the seabeds people actually anchor in, not lab conditions.

Learn more about the decisions behind the design

Built by engineers, not marketers.

Knox anchors are the result of 30 years of conservative, engineering-led development in Scotland. No trends. Just physics.

The Anchor

Ready to upgrade? See detailed specs, dimensions and pricing.

The Testing

Find the right size and fit for your boat and boating style

The Evidence

Sceptical? See the raw testing data and video evidence.

THE 40x MULTIPLIER

Boat weight is not anchor load.

A 10-tonne boat does not pull with 10 tonnes of force. Knox anchors are engineered to deliver holding forces up to 40 times their own weight, easily exceeding the actual wind-load forces generated in severe storm conditions.

CALCULATE REAL ANCHOR LOADS →

* Actual holding requirements vary by boat profile, setup, and seabed.

See Where Knox is Featured

SV Panope Independent Seabed Testing Watch Video Yachting Monthly "Best Anchors Roundup" Read Review Practical Boat Owner Recommended for Rough Conditions Read Article

“Knox Anchor – an affordable choice for a comfortable night on the hook”

“Well it sure works better than the bigger Delta! Anchored last night in more mud. Quite late, was getting dark, dropped it and bang stopped. Hm, surely that’s fouled 🙁 Too late to sort it out safely so got up early this am to sort it out. Of course it was not fouled, it just held”

“We just spent two nights in near gale force conditions and our 13kg Knox didn’t move an inch - well impressed. ”

Find the right anchor for your boat

Boat weight matters more than anchor load. Choosing the correct size ensures proper performance and safety.

Quick Size Check

Please enter a size between 20 and 65 feet.

We recommend oversizing for liveaboards.