St. Catherine’s Island
Historic Sites
Islands
Sights & Landmarks
Attraction
About
St Catherine’s Island is a small tidal island off the coast of Tenby in Pembrokeshire, Wales. Linked to the mainland by a sandy beach at low tide, it boasts a 19th‑century Palmerston‑era fort that has become a striking landmark for visitors. The island is also home to a World War II anti‑aircraft gun emplacement and a rich array of marine wildlife. Its limestone cliffs form natural caves, and the surrounding waters and beaches are popular with local anglers and photographers. The site is designated a Site of Special Scientific Interest, underscoring its ecological value. A brief, guided tour of the fort and surrounding caves allows guests to appreciate the island’s military and natural heritage while enjoying a peaceful, seaside escape.
Highlights
- St Catherine's Fort
- Tidal Island Experience
- Special Scientific Interest
Must-See Areas
St Catherine's Fort
Cave Systems
WWII Anti‑aircraft Gun Emplacement
At a glance
- Typical visit: about 1 hour 30 minutes