north ledaig is a very good site indeed but if it is full which in busy times is always is (which says something) toilets very modern and always clean plus free showers.dog walks onsite and shop.bendaloch only a mile away has a feul station and caravan spares shop and a small but full shop.
other site to think about
if you have no kids would be seaview caravanpark.lovely woman runs this and its quite cheap too.
try this link
http://www.travel-library.com/campgrounds/europe/uk/scotland/oban/seaview_caravan_&_camping_park.html
also try these
Here is a list of other Campgrounds / RV Parks in Oban:
Tralee Bay Holiday Park Benderloch PA37 1QR
Oban Caravan & Camping Park Gallanachmore FarmGallanach Road PA34 4QH
Oban Divers Caravan Park Glenshellach Road PA34 4QJ
Sunnybrae Caravan Park South Cuan PA34 4TU
Caravans at Highfield 3 Kiel Croft PA37 1QS