Loved Skerries and extended stay from 3 to 6 nights for different reasons with one being the town and another enjoying my stay at Redbank Guesthouse - clean, quiet and comfortable. I would recommend both for the independent traveller (including seniors like myself). Single rate was 35 euro b and b and it was a block to downtown with good cafes, grocery stores, etc. and one block more to beach which has a great walk right around to harbour area.
Re eating liked Seasons and Olive's as did not feel up to large meal after fullish breakfast at Redbank. However a number of locals raved about how good the 4 course early bird was there and I noticed a number of people came for the b and b plus dinner option.
I guess I am more into slow travel these days ie getting to explore one spot in depth as enjoyed taking the 33 local bus - great views of ocean to Balbriggan and Rush. I got off at Rush and walked down to harbour. Another day took 33 right into Dublin and then took bus to Howth from Eden Quay. I noticed a number of other tourists took bus to Howth - wonderful views of ocean, twisted around Howth including summit and then made its way down to town. I had a good lunch with a wonderful view at Aqua at the harbour.
I took the DART and commuter train back to Skerries. Train station well positioned to use as base for exploring other parts around Dublin. Think day pass on DART can be had for 8 euros. I enjoyed walking around town and if I make it back to Dublin area sometime would head there.