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Thorne Island gains private party status

A derelict fortress near Milford Haven has been renovated into a self contained island with a nightclub and is on sale for £3 million.

August 17, 2025 at 12:36 PM
blur Abandoned fortress transformed into party island with its own nightclub - and it could be yours

Thorne Island off the Welsh coast has been renovated into a private party destination with a built in nightclub and is listed for £3 million.

Thorne Island becomes party haven with nightclub

Thorne Island, a derelict Napoleonic fort off the Pembrokeshire coast, has been transformed into a self contained retreat. The listing shows almost 2.5 acres of coast, more than 8,000 square feet of living space, a helipad and a nightclub. After five years of careful renovation, the island is on the market for £3 million. Materials were delivered by helicopter and workers lived on site for stretches during the rebuild.

Mike Conner bought it in 2017 for £555,000. He rebuilt the site with off grid energy, solar panels and rainwater storage. He imagines the place as a tourist draw or a private party site that could host hundreds in a 24 hour experience.

Key Takeaways

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Off grid design appeals to niche buyers seeking unique venues
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High price reflects rarity and dramatic coastal setting
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Renovation relied on helicopter deliveries and long on site work
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Regulatory and safety hurdles loom for any commercial use
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Potential to become a tourist draw or private events venue
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Lack of neighbours reduces noise risk but raises accessibility and safety questions
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Environmental and community impact will shape its future use

"There was no electric, no water, and any food or waste had to come back off"

Renovation challenges

"I didn’t know what I was getting myself into"

Owner reflection on project

"There were no neighbours to disturb"

Local impact

"A 24 hour island experience could rewrite the map"

Market potential

The project tests a growing taste for novelty in travel and private luxury. It combines a heritage site with modern entertainment and uses off grid energy to cut running costs, but it raises questions about waste, water, safety, and licensing for public events.

If a future owner runs commercial events, officials and neighbours may weigh the benefits of tourism against noise, traffic and environmental impact. The sale shows how a single property can redefine coastlines and challenge local planning norms.

Highlights

  • I didn’t know what I was getting myself into
  • There was no electric, no water and any waste had to come back off
  • There were no neighbours to disturb
  • A 24 hour island experience could rewrite the map

Environmental and regulatory risks around off grid island venue

The plan raises questions about environmental impact, waste management, safety, and licensing for events. Being off grid makes emergency access and sustainability critical. Authorities may require permits and monitoring, affecting cost and feasibility.

The coast keeps its quiet, and the next chapter will test balance between spectacle and stewardship.

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