Osea Island

- From £500
- 1500 people
- Maldon
- 781m² (8409ft²)
Spaces in Osea Island

The Bomb Factory
Host your conference or training in historic surroundings, while soaking up the quirky industrial ambience of this former World War I torpedo store. The Bomb Factory at Osea Island offers a unique and inspiring venue for corporate events, blending rich history with modern amenities. Nestled in the serene Blackwater Estuary, this secluded island is just a short train ride from London, ensuring easy access while providing total privacy. With a state-of-the-art Mackie 2K sound system, a 12-person cinema, and expansive grounds spanning 380 acres, your event can be tailored to suit any need. Enjoy a range of activities, from cycling on retro bicycles to unwinding in the heated outdoor pool or sauna. The games room and spa facilities add a touch of leisure to your business agenda. Elevate your corporate gatherings at The Bomb Factory, where memorable experiences await amidst stunning natural beauty.
The Shack
Another island remnant of the First World War naval base days of HMS Osea. The Shack oozes decadence and ramshackle charm, the ultimate after party venue for your event. This flexible space is used for corporate events and weddings alike.
See venueThe Club House
The Clubhouse restaurant sits alongside the swimming pool in a colonial style converted chapel complete with minstrels gallery. Ideal for wedding receptions, drinks, pool parties or intimate dinners with friends.
See venueThe Power House
A lofty grand space formally housing the island's electricity power station, The Power House at Osea Island is a versatile blank canvas ready to be transformed for any event. Nestled in the serene Blackwater Estuary, this unique venue offers an idyllic escape just a short journey from London. With 380 acres of stunning landscapes, The Power House can accommodate everything from corporate retreats to lavish celebrations. Enjoy exclusive access to a satellite kitchen, a 12-person cinema, and a games room, ensuring every detail is tailored to your needs. Guests can unwind in the heated outdoor pool, sauna, or spa facilities, or explore the island on one of the 50 retro bicycles. With beaches surrounding the venue and opportunities for sea swimming, The Power House is the perfect setting for unforgettable gatherings. Experience the magic of Osea Island, where your event can truly sparkle.
See venueAbout Osea Island
Surprisingly close to London yet completely secluded, Osea is a luxury island that provides a unique backdrop for a truly memorable experience. Hosting parties, corporate events or island takeovers, the opportunities are endless. Osea Island is located in the Blackwater Estuary, ten minutes from Witham train station. Trains go very regularly from Liverpool Street and the journey takes 40 minutes. The island is also accessible via river taxi a 20 minute helicopter ride from Central London, or a twisting pebble causeway that becomes passable for four hours during low tide, offering total privacy