Cruise to northea and osea islands setting sail from maldon for a wonderful sightseeing adventure with lunch included board the barge at maldon quay a picturesque area with a rich history before heading up past an rspb reserve on northsea island with plenty of wildlife to see in a gorgeous natural habitat sail up to heybridge basin which is the entrance to the chelmer and blackwater canal past millbeach and finally to the beautiful island of osea while on board tuck into a ploughmans