Dunbeg, formerly known as Dunstaffnage, is a village about 2+1⁄2 miles outside of Oban, Scotland. It has a population of just under 1,000. It is home to the Scottish Association for Marine Science, one of the primary marine science centres in the UK. Also near Dunbeg is Dunstaffnage Castle, part of the Campbell Clan and is owned by the Captain of Du…Dunbeg, formerly known as Dunstaffnage, is a village about 2+1⁄2 miles outside of Oban, Scotland. It has a population of just under 1,000. It is home to the Scottish Association for Marine Science, one of the primary marine science centres in the UK. Also near Dunbeg is Dunstaffnage Castle, part of the Campbell Clan and is owned by the Captain of Dunstaffnage.