The offer applies to bookings made on the line’s two expedition vessels – Seabourn Venture and Seabourn Pursuit – on 2023 voyages which may include Antarctica, the Amazon and the Arctic.
The bonus commission will be £500 per guest booked up to a maximum of £1,000 per suite booked.
Seabourn UK and Europe vice-president Lynn Narraway said: "Seabourn is delighted to extend this bonus commission offer as a special thank you to our valued travel partners in recognition of all their support during this year – and as an incentive to learn more about and sell our ultra-luxury expedition voyages."
