Thorne Island For Sale: Private Fort Island Off Pembrokeshire Coast

Looking for complete privacy with history and potential?

Thorne Island offers both.

Here's what you need to know:

Location

• Just 3 nautical miles off the coast of Pembrokeshire, West Wales

• Easily accessible by boat from the mainland

Size and Layout

• Covers about 2.49 acres

• Fully surrounded by sea

• Home to a 19th-century fort with strong stone construction

Ownership and Price

• Current asking price: £3 million ($4 million)

• Listed on the Strutt & Parker website

• Bought in 2017 for £500,000 by British tech entrepreneur Mike Conner

History of Use

• Originally built as a coastal fort in the 1800s

• Renovated and used as a private retreat

• Mike Conner spent time on the island with his family

Future Possibilities

• Use as a luxury holiday destination

• Ideal for private events, small group retreats, or personal escape

• Offers complete isolation with a solid structure already in place

Why Sell Now?

• Owner seeks a new challenge

• Wants to move on and explore another project

Key Questions for You

• Do you want a private island with historical character?

• Are you looking for a rare property with commercial or personal potential?

• Could this island be your next investment or retreat?

Quick Facts

• Country: United Kingdom

• County: Pembrokeshire, Wales

• Island: Thorne Island

• Acreage: Approx. 2.49 acres

• Structure: 19th-century fort

• Price: £3 million+

• Seller: Mike Conner, British entrepreneur

Think it fits your vision?
This island isn’t just land. It’s an opportunity for you to create something truly your own.

Explore the full listing on Strutt & Parker.