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Castles & History, Museums & Galleries

Shell Grotto

Family Friendly

Underground passage and chamber decorated with millions of shells in mosaic patterns, of debated origin. Open Thursday to Sunday in winter.

About Shell Grotto

The Shell Grotto is an underground passage and chamber covered in millions of shells set in mosaic patterns. Its own site lists its origins as a mystery and says debate about them has raged ever since it came to light. Open Thursday to Sunday through the winter, with a daily opening over October half term.

Accessibility

Two sets of stairs; the floor is uneven in places with a slight camber. No step-free access, and not suitable for wheelchairs, walking frames or those with reduced mobility. The shop also has no step-free access, but staff are happy to assist. No pets except registered assistance dogs.

Where it is

Details checked against the venue on 29 October 2026. Opening times change, so confirm before you travel.

What's on here

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Guides that mention Shell Grotto

More things to do in Margate

Family Days Out

Dreamland

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Seafront amusement park with vintage rides, roller disco and live events. Free to enter, rides paid by token or wristband. Check winter opening times.

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Grade II listed 1937 tidal pool of about four acres, popular for sea swimming. Visit Thanet lists no lifeguards or toilets on site.

Castles & History, Museums & Galleries

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Chalk caves beneath Northdown Road with self-guided visits, a Discovery Room and a visitor centre. Open Wednesday to Sunday; steps only.

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