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Book your tickets in advance for guaranteed access to our attraction!

We currently guarantee admission only with a pre-booked online ticket or time slot reservation.

Our online tickets automatically include a time slot reservation, you don't need a separate reservation. If you want to redeem a promo code, click here.

Day Tickets


  • Entrance to SEA LIFE Hannover at discounted online price
  • Only valid on the booked day and at the booked time
  • Reschedule for free if your plans change

Annual Pass


  • 12 months of unlimited admission to SEA LIFE Hanover
  • 10 % discount at souvenir & coffee shop

Timeslot Reservation

No ticket, only reservation

  • Timeslot reservation for Annual Pass holders (SEA LIFE Annual Pass, Merlin Annual Pass, Merlin Premium Annual Pass & Merlin Abenteuer-Pass)

No ticket, only reservation

  • Time slot reservation for pre-booked tickets, discount vouchers, free tickets or other tickets

Combi Tickets


  • Entrance to SEA LIFE Hannover & Herrenhäuser Gardens
  • SEA LIFE ticket only valid on the booked day and time, ticket to Herrenhäuser Gardens redeemable within 90 days
  • Reschedule for free if your plans change

Other tickets

Booking with confidence guarantee

You can book our tickets with the peace of mind that you can rebook and reschedule them up to one day of your planned visit if something interferes with your plans. Rebooking is completely free of charge and possible for up to 5 times.

Once you have booked your ticket, you can change your visit date within a time window of 90 days up to one day before your visit. It is not possible to adjust the date on the day of your planned visit. To manage your booking through our booking portal, you will need your booking confirmation number and the email address used to make the booking.

Login to Booking Portal