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Knock John

6.82

Fair

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Sandbar Tidal Offshore Fort Thames Sandbank

description Knock John Overview

A sandbank in the outer Thames Estuary where Knock John Tower, a Royal Engineers anti-aircraft sea fort, was constructed in 1942 to defend against German air raids.

insights Why this score

Knock John ranks #236 of 389 in the Sandbar ranking, behind Mahé Sandbar, ahead of Louisa Reef.

Sea fort association creates strong historical identity; sandbank itself is secondary and inaccessible.

help Knock John FAQ

How good is Knock John?

Knock John scores 6.82/10 (Fair) on Lunoo, making it rated in the Sandbar category. Sea fort association creates strong historical identity; sandbank itself is secondary and inaccessible.

What are the best alternatives to Knock John?

See our alternatives page for Knock John for a ranked list with scores. Top alternatives include: Shivering Sand, Tongue Sand, Gunfleet Sand.

How does Knock John compare to Shivering Sand?

See our detailed comparison of Knock John vs Shivering Sand with scores, features, and an AI-powered verdict.

Is Knock John worth it in 2026?

With a score of 6.82/10, Knock John is a solid option in Sandbar. See all Sandbar ranked.

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