If I visit for last admission, how long will I have in the attraction? Last admission is one hour before closing; therefore you would only have one hour to explore our SEA LIFE attraction. Related articles Why do I have to book into a time slot and how does the system work? Will I have to queue to get into SEA LIFE Weymouth? What if I'm running late for my time slot? Can I bring a pet into SEA LIFE Weymouth?