The 89 meter long, 2973 dwt freighter Coastal Isle went aground near Bute, Scotland.  The Coastal Isle was proceeding through the Firth of Clyde when it struck rocks just south of the island.   The Coastal Isle contacted the Clyde Coastguard who monitored the situation until a tug could be dispatched to the scene.   The tug arrived and pulled the Coastal Isle off the rocks.   The vessels proceeded to Greenock where the Coastal Isle is to be inspected.  No reports of injuries or pollution being released.  The Coastal Isle was en route to Greenock from Belfast before the incident occurred.