need travel help

going back to Ireland in Nov to celebrate my birthday, questions? Can anyone help! Going from Dublin to maybe carlinsford-then heading to belfast shankle rd- and up to antrim (anybody recommend where to stay in antrim on the coast? then heading to free derry and donegal - any recomendations where to stay in donegal? please? last question I see an aran island near donegal true? can I get there? not the same as the three aran islands off galway