St Catherine's Island and Fort, Tenby
A historic tidal island fortress with panoramic views, rich wildlife, and a captivating blend of nature and Victorian heritage.
St Catherine's Island is a small tidal island off Castle Beach in Tenby, Pembrokeshire, Wales, featuring a historic Victorian fort. Accessible only at low tide, the island offers panoramic views of Tenby and Carmarthen Bay, rich wildlife, and a layered history from a medieval chapel site to a Napoleonic fortress and a former zoo. Visitors can explore the island’s natural beauty, historic architecture, and enjoy guided tours that reveal its unique heritage and ecological significance.
A brief summary to St. Catherines Island and fort
- GB
- +447766384748
- Visit website
- Duration: 1 to 3 hours
- Mid ranged
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Outdoor
- Mobile reception: 4 out of 5
Local tips
- Plan your visit around low tide to safely access the island via Castle Beach.
- Wear sturdy, non-slip footwear due to steep and uneven steps on the island.
- Bring a camera to capture spectacular 360-degree views of Tenby and Carmarthen Bay.
- Check the island’s official website or social media for daily opening times and tide schedules.
- Well-behaved dogs on leads are welcome, but always follow local guidelines to protect wildlife.
For the on-the-go comforts that matter to you
- Restrooms
- Drink Options
- Food Options
- Seating Areas
- Information Boards
Getting There
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Bus and Walk
From Tenby town center, take local buses serving the Pembrokeshire area, with frequent services running every 20–30 minutes. After arriving near Castle Beach, expect a 15-minute walk over flat terrain to the island access point. The total travel time is approximately 30–45 minutes. Bus fares range from £2 to £5 depending on the starting point. Note that access to the island depends on tide times.
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Car and Walk
Drive to Tenby and park in one of the town’s public car parks, which charge around £5–£10 for daily parking. From the car park, walk approximately 10–15 minutes to Castle Beach. The walk includes some uneven surfaces and steps, so sturdy footwear is recommended. The island is accessible only at low tide, so plan accordingly.
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Taxi
Local taxi services from Tenby to Castle Beach take about 5–10 minutes and cost approximately £6–£12. Taxis provide a flexible option especially if traveling with luggage or in a group. Confirm the return trip in advance, and remember that island access is tide-dependent.
St. Catherines Island and fort location weather suitability
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Any Weather
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Rain / Wet Weather
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Clear Skies
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Mild Temperatures
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Windy Conditions
Discover more about St. Catherines Island and fort
A Storied Past on a Tidal Island
St Catherine's Island, located just off Castle Beach in Tenby, Pembrokeshire, is a tidal island steeped in history. Originally the site of a small medieval chapel, the island’s landscape transformed dramatically in the 19th century with the construction of St Catherine's Fort in 1867. Built as a coastal defense against potential French invasion, the fort embodies Victorian military architecture and stands as a testament to the strategic importance of this coastal outcrop. Over the centuries, the island has seen various uses, including a private residence and a public zoo during the mid-20th century, reflecting its evolving role in local life.Natural Features and Wildlife Haven
Formed from limestone rising about 25 meters above sea level, the island is approximately 200 meters long and 60 meters wide. Its rugged cliffs and tidal caves provide a dramatic natural setting. The surrounding marine environment and island itself are designated as a Site of Special Scientific Interest, highlighting its ecological value. Visitors may encounter rare plants, nesting choughs, peregrine falcons, and even an island fox, making it a sanctuary for wildlife enthusiasts and nature lovers alike.Visitor Experience and Panoramic Views
Access to the island is unique, available only at low tide via Castle Beach, which adds an adventurous element to visits. Guided tours enrich the experience by sharing the island’s colorful history and pointing out its diverse flora and fauna. From the fort’s vantage points, visitors enjoy sweeping 360-degree views encompassing Tenby’s North and South Beaches, Pennally Beach, Giltars Point, and Caldey Island. The island’s atmosphere combines historical intrigue with natural tranquility, offering a memorable escape from the mainland bustle.Architectural and Cultural Significance
The fort on St Catherine’s Island is a Grade II* listed building, recognized for its architectural and historical importance. Its robust stone walls and military design contrast with the island’s natural surroundings, creating a striking visual and cultural landmark. Archaeological finds on the island, including Ice Age bones, Roman coins, and an Egyptian shabti figurine, hint at a deep and varied human connection to this site, enriching its cultural narrative.Seasonal Access and Visitor Amenities
The island is open to the public seasonally, with access dependent on tides and weather conditions. Visitors are advised to wear sensible footwear and appropriate clothing. Dogs on leads are welcome, and safety measures are in place to ensure a secure visit. While the interior of the fort is currently closed, the exterior and island environment remain accessible for exploration and photography. Nearby Tenby provides amenities such as food, drink, and restrooms, complementing the island visit.Modern Cultural Footprint
St Catherine’s Island has also captured popular imagination, serving as a filming location for the BBC series Sherlock, where it portrayed a maximum-security prison. This contemporary cultural connection adds a layer of modern relevance to the island’s rich historical tapestry, attracting fans and curious visitors alike.Iconic landmarks you can’t miss
Imperial Hotel, Tenby
0.5 km
Historic hotel on Tenby’s ancient walls with stunning sea views, modern comforts, and a vibrant seaside dining experience.
Tenby Town walls
0.8 km
Explore Tenby’s medieval town walls, a stunning coastal fortress that tells the story of centuries-old Welsh defense and heritage.
William Marshal Statue
15.9 km
Medieval England's greatest knight, immortalized in bronze below his castle stronghold.
St Clears Castle
20.7 km
Explore the earthwork remains of St Clears Castle, a Norman motte-and-bailey fortress steeped in medieval Welsh history at the rivers’ confluence.
Gorsedd Of Bards Circle
24.3 km
Historic stone circle celebrating Welsh bardic traditions and cultural heritage in serene Haverfordwest surroundings.
Tŷ Milford Waterfront
24.5 km
Modern nautical charm meets stunning marina views at Tŷ Milford Waterfront, a stylish family-friendly hotel in scenic Milford Haven.
Hubberston Fort
25.4 km
Discover the captivating Hubberston Fort in Milford Haven, a historical landmark showcasing military architecture and stunning coastal views.
Gwal y Filiast
25.5 km
Explore Gwal y Filiast, a mysterious Neolithic burial chamber steeped in Welsh legend and ancient history near Whitland.
Pembrey Country Park
26.3 km
Explore the vast beauty of Pembrey Country Park with its stunning beaches, rich history, and endless outdoor activities for all ages.
Scolton Manor
26.3 km
Explore Scolton Manor, a stunning country park and museum in Pembrokeshire, where nature meets history in a breathtaking setting.
Dyfed Chimneys
26.5 km
Discover expert chimney sweeping and stove building at Dyfed Chimneys in Carmarthen, where safety meets craftsmanship in the heart of Wales.
Burry Holms
27.0 km
Explore Burry Holms, a serene island of natural beauty near Swansea, offering stunning landscapes, rich wildlife, and a peaceful retreat from the everyday hustle.
Castell Cydweli / Kidwelly Castle
27.7 km
Explore the enchanting Kidwelly Castle, a historic gem in Wales showcasing medieval architecture and rich heritage amidst stunning landscapes.
Unmissable attractions to see
St. Catherine's Island
0.0 km
Explore the historic Napoleonic fort and tidal island charm of St Catherine's Island, where history meets stunning coastal views.
Tenby Castle
0.3 km
Experience the grandeur of Tenby Castle, a historic landmark offering breathtaking coastal views and a glimpse into medieval history.
Equinox
0.4 km
Discover Tenby’s vibrant gift shop blending global artistry with unique treasures on St Julian’s Street.
National Trust - Tudor Merchant's House
0.4 km
Explore the rich history of a prosperous Tudor merchant’s home in the heart of historic Tenby, Wales.
Hazewell Club
0.6 km
A cozy sports club in Tenby offering fresh beers, warm atmosphere, and a friendly community spirit near scenic coastal gardens.
Caldey Abbey
3.7 km
Discover Caldey Abbey, a serene monastic sanctuary on Caldey Island blending ancient Celtic heritage with tranquil island beauty.
Caldey Island Lighthouse
4.4 km
Historic lighthouse guiding ships through Pembrokeshire’s rugged seas with timeless maritime heritage and stunning island views.
The Dinosaur Park Tenby
4.4 km
Explore prehistoric adventures and family fun at The Dinosaur Park Tenby, where dinosaurs come alive amidst thrilling rides and interactive trails.
Great Wedlock Farm & Deer Park
4.6 km
Discover Pembrokeshire’s eco-friendly deer sanctuary with immersive buggy safaris, family fun, and tranquil countryside walks.
Boho Beach House
4.6 km
Eclectic bohemian gift shop by Saundersfoot beach offering unique handcrafted treasures in a vibrant seaside setting.
Christkindl
4.6 km
Discover unique gifts and festive treasures at Christkindl, Saundersfoot’s charming High Street boutique.
Heatherton World of Activities
5.3 km
A vibrant adventure park near Tenby offering over 25 activities from go-karting to escape rooms for all ages in scenic Pembrokeshire.
Manor Wildlife Park
5.3 km
Discover Wales's only walking safari with immersive animal encounters and family-friendly fun in the scenic surroundings of St Florence.
Manorbier Castle
7.9 km
Discover Manorbier Castle, a stunning 11th-century Norman fortress perched on cliffs with breathtaking sea views and rich Welsh history.
National Trust - Colby Woodland Garden
8.0 km
Explore Colby Woodland Garden’s tranquil woodlands, vibrant meadows, and charming walled garden near Narberth in Pembrokeshire.
Essential places to dine
Billycan
0.6 km
A stylish restaurant and boutique hotel in Tenby offering generous portions, fresh flavors, and a welcoming atmosphere near the beach.
Stables Restaurant
0.7 km
Historic charm meets vibrant British seafood cuisine in Tenby’s beloved Stables Restaurant, where simple food is beautifully prepared.
Heywood Marigold
1.9 km
Experience exquisite Pan-Asian and British cuisine in a stylish, relaxed setting at Heywood Marigold, Tenby’s premier hotel restaurant.
Rhosyn Restaurant at Penally Abbey
2.4 km
Experience refined modern British tapas in the historic elegance of Penally Abbey’s charming Rhosyn Restaurant.
Penally Abbey
2.4 km
Historic country house hotel and restaurant with stunning Carmarthen Bay views, blending rich heritage and boutique luxury near Tenby.
The Mulberry Restaurant
4.4 km
A refined coastal dining experience in Saundersfoot, serving seasonal British cuisine in a warm, intimate setting near the harbour.
The Stone Crab
4.5 km
Renowned seafood excellence with stunning harbour views in Saundersfoot, offering award-winning dishes and warm Welsh hospitality.
The BoatHouse
4.6 km
Family-run British restaurant in Saundersfoot serving fresh local produce and hearty coastal dishes in a welcoming seaside setting.
Lan y Môr Restaurant Saundersfoot
5.1 km
Welsh coastal dining with panoramic bay views and locally sourced culinary excellence
The Smugglers
7.1 km
Seaside dining with fresh grilled flavors, family fun, and stunning views on Amroth’s scenic sea front.
The Freshwater Inn
12.0 km
A relaxed coastal pub near Freshwater East beach, serving hearty local food, sea views, and a warm welcome to dogs and families alike.
Best Western Lamphey Court Hotel & Spa
12.2 km
Elegant Georgian country house hotel with spa, pool, and tennis courts set in the Pembrokeshire Coast National Park’s stunning natural surroundings.
Fernery Restaurant
13.4 km
Intimate Welsh fine dining where seasonal produce and bold creativity converge in a 34-seat sanctuary.
Madtom Land & Sea
14.6 km
Savor fresh seafood and local flavors in a cozy, rustic setting at Madtom Land & Sea, Narberth’s beloved coastal dining spot.
Annwn
14.6 km
Discover Annwn, a Michelin Guide restaurant in Narberth offering an intimate, sustainable dining experience with locally foraged Welsh flavors.
Markets, malls and hidden boutiques
The Nook
0.4 km
Discover handcrafted treasures and unique gifts in Tenby’s charming boutique, The Nook, where local artistry meets coastal inspiration.
Joys Of Tenby
0.6 km
Explore Joys Of Tenby, a charming gift shop offering unique souvenirs that capture the essence of this beautiful coastal town.
The Welsh Gift Shop
0.6 km
Discover authentic Welsh crafts and heritage treasures in the heart of Tenby at The Welsh Gift Shop.
Harbour Gifts
4.5 km
Discover unique local crafts and coastal treasures at Harbour Gifts, Saundersfoot’s charming boutique for memorable souvenirs.
Mermaid Gift Shop
4.6 km
Discover unique local crafts and charming gifts at Mermaid Gift Shop, a cozy seaside treasure in Saundersfoot’s vibrant coastal village.
Elements of Pembrokeshire
4.6 km
Discover unique local crafts and heartfelt souvenirs at Elements of Pembrokeshire, nestled in the charming seaside village of Saundersfoot.
The Outlet
4.6 km
Discover stylish bargains and coastal charm at The Outlet, Saundersfoot’s premier clothing shop on The Strand.
Useful & Beautiful Things
14.6 km
Explore the charming antique shop, Useful & Beautiful Things, in Narberth for unique vintage treasures and rich history.
The Welsh Farmhouse Company
14.6 km
Authentic Welsh outerwear and timeless farmhouse-inspired fashion in the heart of Narberth’s historic High Street.
Bazaar
14.9 km
Discover vintage charm and rustic elegance at Bazaar Home & Garden, Narberth’s premier destination for unique, sustainable furnishings and décor.
The Room
15.1 km
Discover unique local crafts and heartfelt stories at The Room, Pembroke’s charming boutique gift shop on Main Street.
The Chapel Emporium
15.2 km
Explore Pembroke’s charming Chapel Emporium, a vintage lover’s paradise filled with antiques, retro fashion, and artisanal crafts in a historic setting.
The Secret Garden Home & Gift Boutique
15.7 km
Discover unique gifts and homewares in a charming boutique nestled in the historic heart of Pembroke, Wales.
Pembroke Castle Shop Ltd
15.7 km
Discover unique local gifts and enjoy refreshments within the historic Pembroke Castle grounds at Pembroke Castle Shop Ltd.
Pembrokeshire Retail Park
16.8 km
A convenient and well-equipped retail hub in Pembroke Dock offering diverse shops and ample parking for locals and visitors alike.
Essential bars & hidden hideouts
The Lifeboat Tavern Tenby
0.4 km
Experience Tenby’s maritime charm at The Lifeboat Tavern, a quirky pub with a lifeboat bar and welcoming atmosphere in the heart of the seaside town.
Bar 10
0.6 km
Lively coastal bar in Tenby offering wood-fired pizzas, vibrant atmosphere, and a welcoming spot near historic beaches and harbor.
The Five Arches Tavern
0.6 km
Traditional Welsh pub with a roaring fire, hearty fare, live music, and a welcoming atmosphere in the heart of historic Tenby.
The Bush Inn
0.6 km
A cozy, historic pub nestled in Tenby’s medieval walls, offering friendly vibes, local ales, and a genuine Welsh drinking experience.
The Cove
0.6 km
A vibrant gastropub in Tenby offering quality food, lively events, and a welcoming atmosphere on the historic High Street.
Twisted Shamrock
0.7 km
A lively Irish pub in Tenby’s Town Wall Arcade, offering karaoke, cocktails, and a fun night out in a cozy, spirited setting.
Stage Door Bar
0.7 km
A quirky, movie-themed bar in Tenby offering friendly service, great music, and a cozy atmosphere filled with cinematic memorabilia.
Cross Inn
2.5 km
Cozy Welsh pub in Penally offering hearty meals, friendly service, dog-friendly spaces, and scenic outdoor views near Tenby.
HARBWR Bar & Kitchen
4.6 km
Relaxed coastal dining with award-winning local ales and stunning harbour views in the heart of Saundersfoot.
The Old Chemist Inn
4.7 km
Seaside charm meets hearty pub fare at The Old Chemist Inn, a friendly Saundersfoot spot with beach views and a welcoming atmosphere.
Wisemans Bridge Inn
6.0 km
Traditional Welsh coastal inn with a unique sitting room bar, beachside charm, and warm hospitality in the heart of Wisemans Bridge.
Templebar Inn
7.1 km
Charming seaside gastropub in Amroth offering hearty meals, stunning sea views, and a warm, dog-friendly atmosphere.
Amroth Arms
7.2 km
Charming seaside pub in Amroth with stunning coastal views, hearty local fare, and warm Welsh hospitality.
Cresselly Arms
11.0 km
A charming waterside pub in Cresswell Quay offering hearty fare and scenic estuary views in a relaxed, rustic setting.
Hwb
14.8 km
Lively bar in Narberth with vibrant art, quality drinks, and a warm, casual atmosphere reflecting Pembrokeshire’s community spirit.
Nightclubs & after hour spots
Prince Of Wales
0.7 km
Tenby’s iconic late-night nightclub blending lively music, classic charm, and a spirited atmosphere in the heart of Town Wall Arcade.
Sands Nightclub
4.5 km
Saundersfoot’s lively nightclub with dance, drinks, and a vibrant atmosphere near the beach.
Comlongon
5.9 km
Experience vibrant nightlife in the charming village of St Florence with Comlongon, Tenby’s energetic nightclub gem.
Paddles
15.6 km
Experience Pembroke’s vibrant nightlife at Paddles, the go-to nightclub for late-night music, drinks, and social energy in the town center.
Eddie Rocks
24.0 km
A vibrant multi-floor nightclub in Haverfordwest offering energetic nights, diverse music, and a welcoming atmosphere by the waterfront.
Boulevard Show Bar
24.3 km
Experience vibrant cabaret, live shows, and lively nightlife at Boulevard Show Bar, Milford Haven’s premier entertainment venue.
The Basement
24.4 km
Discover the energetic nightlife of Milford Haven at The Basement, where music, dancing, and vibrant gatherings create unforgettable experiences.
Savannah's Night Club
33.3 km
Experience Carmarthen’s vibrant nightlife at Savannah's Night Club—where music, dance, and stylish vibes create unforgettable Saturday nights.
Lucifer's Nightlife
33.7 km
Experience Carmarthen's vibrant nightlife and fast food fusion at Lucifer's Nightlife, where music, dancing, and late-night bites come alive on Queen Street.
The Rainbow Rooms Bar & Club
45.3 km
Experience lively nights and vibrant music at The Rainbow Rooms Bar & Club, Gorseinon’s premier destination for unforgettable nightlife.
Albion Aberteifi
45.6 km
Discover the charm of Albion Aberteifi, where historic ambiance meets modern hospitality along the beautiful River Teifi.
The Grosvenor
45.7 km
Traditional Welsh pub with riverside views, hearty food, and a welcoming atmosphere in the heart of Cardigan town centre.
The Cellar
45.8 km
Discover the heart of Cardigan's music scene at The Cellar – where live performances and local culture collide.
Bar 45
45.8 km
Discover the vibrant atmosphere of Bar 45 in Cardigan, where local ales, cocktails, and live music create unforgettable experiences.
The Cliff Hotel & Spa
49.8 km
Discover unparalleled relaxation and coastal beauty at The Cliff Hotel & Spa, where luxury meets adventure in Cardigan, Wales.
For the vibe & atmosphere seeker
- Scenic
- Relaxing
- Tranquil
- Unique
- Casual
For the design and aesthetic lover
- Rustic Designs
- Vintage Styles
For the architecture buff
- Historic
- Landmarks
- Heritage Neighborhoods
For the view chaser and sunset hunter
- Iconic Views
- Panoramas
- Sunset Spots
For the social media creator & influencer
- Instagrammable
- Photo Spots
- Selfie Spots
For the eco-conscious traveler
- Protected Area
- Nature Reserve
- Public-Transport Accessible
- Leave-No-Trace Critical
- Locally Managed
- Wildlife Habitat
For the kind of experience you’re after
- Cultural Heritage
- Nature Escape
- Photowalk
- Day Trip
- Weekend Getaway
- Myth & Legends
For how adventurous you want the journey to be
- Easy Access
Location Audience
- Family Friendly
- Senior Friendly
- Child Friendly
- Teen Friendly
- Pet Friendly
- Solo Friendly
- Couple Friendly
- Vegetarian Friendly
- Vegan Friendly
