The decision follows a review of the Scottish Government’s support of routes to the northern and western Isles.
But the commission has called for a public tender to be carried out for the Gourock-Dunoon ferry, operated by state-owned CalMac.
The way ferry services to Scotland’s islands are subsidised does not breach competition laws, European Commission chiefs have ruled.
The decision follows a review of the Scottish Government’s support of routes to the northern and western Isles.
But the commission has called for a public tender to be carried out for the Gourock-Dunoon ferry, operated by state-owned CalMac.