How do I book an activity? 10 February 2022 15:09 Updated Activities can be booked up to 35 days (5 weeks) in advance on owners.haven.com with new sessions released each Monday. Related articles How do my guests purchase a Play Pass? How do I book to go swimming? Where can I find the entertainment guide? Can I bring my family & friends on to park? How do I book a table in the entertainment venue?