Going to Dublin for 5 days beginning of Dec. Since we have traveled Ireland before this trip is just to stay in the city and enjoy the Christmas season..Since we like boutique type hotels I am leaning towards either Kelly Hotel or Buswells Hotel..and thoughts on either of those or maybe another suggestion? Also is there a Do Not Miss must see while in Dublin...We have been there before but only for the night so hoping to see all of Dublin this time around.

Not a must for some but for others is to visit the Guinness Brewery at St James Gate:

https://www.guinness-storehouse.com/en/tickets