When is the quietest time to visit SEA LIFE Blackpool? We are generally quieter at the beginning of the day and late afternoon, but this can vary day to day. Related articles How long does it take to go around SEA LIFE Blackpool? Will I have to queue to get into SEA LIFE Blackpool? How many areas are there within SEA LIFE Blackpool? When is SEA LIFE Blackpool open? How long are the queues for SEA LIFE Blackpool?