Osea Island
Osea Island, Essex, CM9 8UH -
Up to
1500 guests
An enchanting private island with a variety of properties, event venues, beaches, land and beautiful nature on London’s doorstep.
Our collection of properties range from grand houses to cosy cottages and apartments and our event venues are historic and quirky.
Osea is an eclectic, rustic and extraordinary experience and a blank canvas for creating memories that will live on for years to come.
The Powerhouse
up to 250 standingThe Shack
up to 140 standingManor Beach Cottages
up to 100 standingManor House
up to 100 standingThe Captains House
up to 100 standingThe Bomb Factory
up to 1500 standingCapacity & layout
Standing
up to 1500
Dining
up to 120
Theatre
up to 700
Boardroom
up to 180
Cabaret
up to 500
Classroom
up to 100
Amenities
Public transport
Premises parking
Overnight accommodation
Outdoor / Garden / Beach
Natural light
Audio & visual
Sound system
WiFi
Space rules
Cancellation policy
100% refundable 1 day before the event
Location
Spaces
in this venue
The Powerhouse
POA
up to 250 standing
100% would book it againThe Shack
POAup to 140 standing100% would book it againManor Beach Cottages
POAup to 100 standing100% would book it againManor House
POAup to 100 standing100% would book it againThe Captains House
POAup to 100 standing100% would book it againThe Bomb Factory
POAup to 1500 standing100% would book it again
The Powerhouse
up to 250 standingThe Shack
up to 140 standingManor Beach Cottages
up to 100 standingManor House
up to 100 standingThe Captains House
up to 100 standingThe Bomb Factory
up to 1500 standing