After about 2 miles (pass Heybridge Basin) turn right onto Osea Rd and follow road for approximately a mile until you reach the sea wall and then onto the causeway. Osea road is situated a short distance after a mobile holiday home park on the right.
From Central London: We advise you take the quickest route to the M25 and leave at Junction 28 rather than via the A12 out of London which many Sat Nav systems will recommend.
By Rail: From London Liverpool Street towards Braintree, Clacton‐on-sea, Colchester or Ipswich. Alight at WITHAM. Journey time from London is approximately 45 minutes. Witham Station is served by taxi services and is about 6 miles from Osea Island.

The Causeway Retreat has the experts in the treatment of drug and alcohol addiction. Our medical director, Dr. Donna Grant and consultant psychiatrists Dr Gary Bell and Dr Vince Gradillas will give you the treatment you need.