Take a two island cruise sailing to northsea and osea island setting off from maldon for a wonderful sightseeing adventure with afternoon tea board the barge at hythe quay a bustling area with a proud sailing history before heading up past a northsea island rspb reserve teaming with gorgeous natural wildlife sail up to heybridge basin the entrance to the chelmer and blackwater canal go past millbeach and finally to beautiful osea island while on board enjoy a delightful afternoon t