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Max Capacity 1500

Essex, CM9 8UH

Osea Island

Eclectic, wild and quite extraordinary, Osea Island is a luxury island providing a unique backdrop for truly memorable experiences. Hosting parties, corporate events and island takeovers favoured by the likes of Rihanna and Stormzy, the opportunities are endless.

This beautiful tidal island has the capacity for intimate gatherings or large-scale events. Surrounded by 550 acres of rustic gardens, orchards, meadows and salt marsh the island has a variety of event spaces and Martha’s Vineyard style charming cottages and grand houses.

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

Ultimately, Osea Island is a unique blank canvas for creating memories that will live on for years to come!

ACCOMMODATION

The Coast: Captains House, Manor House and Cottages – sleeping 54

The Village: Cottages and Courtyard apartments – sleeping 52

ACTIVITIES

Amenities include heated outdoor swimming pool (May to September), Cinema, pop-up Games room and Gym, Beach volleyball & Soccer pitch, Mini-golf & Croquet lawn. We work with partners specialising in a variety of fun outdoor activities including Boating, Water Sports, Fishing and Clay Pigeon Shooting

Get in touch

0203 397 1446
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What this venue offers

  • Meeting / Conference
  • Seated Dinner / Lunch
  • Buffet / Reception
  • Wedding / Celebration
  • Corporate Retreat / Team Building
  • Seasonal Party
  • Outdoor Space
  • Leisure Facilities
  • Accommodation

Venue Spaces

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The Bomb Factory

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Power House

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The Shack

The Bomb Factory

Host your event in historic surroundings, while soaking up the quirky industrial ambience of this former World War I torpedo store.

 

Capacity Chart

  • Theatre 700
  • Dining 500
  • Reception 1500

Power House

Built during the First World War to house the island electricity generating station. This lofty character space is a blank canvas for any event.

Capacity Chart

  • Boardroom 180
  • Dining 120
  • Reception 250

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.

Capacity Chart

  • Theatre 70
  • Dining 40
  • Reception 150

Location

Clients We Help

Victoria at Venues All Areas is an ultimate professional who incorporates a personal touch and worked with us from start to finish.  She is always accessible and dealt with any issues promptly and meticulously.  A great pleasure to work with and look forward to working with Victoria on my next events.

GKN Aerospace

Since 2018, Venues All Areas & The Events Architect have organised our events, each for between 300 and 500 staff. Quite simply, they have all been a phenomenal success. Our Summer Party now runs over three days, involving everything from marquees, refined catering, smart sleeping tents, bands, and a myriad of other activities (even ice cream vans!). Our Christmas Party is traditional black tie, which they somehow also make special and out of the ordinary. They challenge themselves to go above and beyond, and they SUCCEED, whilst keeping within the all-important budget!

Explore Learning Ltd

Thank you so much for all your hard work. We all had a great time and received streams of positive feedback from clients and HSBC staff. Everything went to plan and came together in a relaxed evening that flowed very well.

Relationship Manager HSBC

Thank you Venues All Areas for all your hard work in finding us the perfect venues for our Summit, which was the most successful yet. I would love to work with you again for next year which will probably be in Milan.

TV2 Den-mark

Victoria is a creative, dependable and hard working professional who delivered several excellent events for me/HSBC. These required effective stake holder and Victoria enjoyed strong working relationships with HSBC senior management and my team. She is always very personable, hard working and reliable. Victoria would always ensure that she had a firm understanding of the business requirements, provided a range of solutions and worked within agreed budgets, communicating progress at all stages of an event.

Group Events Manager HSBC

Victoria at The Events Architect took all the stress out of event planning for one of the biggest events in the Officers Mess calendar. The decorations and entertainment were phenomenal, funny and daring and tied in perfectly with our theme and audience. Having already got the venue, Victoria was able to craft a vision that fit the space perfectly and she was also extremely adaptable to short notice requests. It was a fantastic party and I could not recommend her enough.

RNAS Yeovilton

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