HMCG phoned about yacht aground near 12 Buoy. NCI reported it was upright, slight list to port. 2 POB seen using a mobile. No signs of distress. NCI maintained observation. 2 POB taken ashore by ILB. To be retrieved later. ILB on station. HMCG confirmed arrangements in place for ILB to self task between 2000 – 2100 hrs to return crew and recover vessel.