Captains are able to offer you customized fishing trips to suit your needs. They can offer a custom price, different trip length, or any other detail to give you a unique deal. This is usually done after you've already communicated with the captain via Instant Messaging, be that before making a booking or after finding out that some elements of an original booking were unsuitable.
You'll be notified via email of any Special Offer made, and you'll also receive a notification on your FishingBooker profile. If you accept it, you'll be charged immediately and the new booking will be confirmed.
Each Special Offer made by the captain is valid for 24 hours. If you don't accept it within this time frame, it will automatically expire.