Still not 100% sure Sid. Last year we stayed in both hotels, and visited for drinks and to see friends.
We did get some confused looks as it was only 3 weeks between holidays, but they were ok.
I dont think you can use the dining room , although the beach bar and nightclub was fine.
We are going back to Riviera on 6th May and plan to visit the Abou, so i'll find out if they have resolved the family fued.