The $99 deposit is available from 2/26/20 through 6/30/20 only and is due at the time of booking. This is temporarily reduced from the standard deposit of $300 ($1,000 for Antarctica Cruise Expedition) due at the time of booking. There will still be a second deposit of $300 due 60 days after booking. $399 deposit ($1,099 deposit for Antarctica Cruise Expedition) is due at the time of booking if the booking date is within 70 days of the final payment due date. If reserving after final payment due date, full payment is required at the time of booking. $99 deposit is not applicable for private groups. All deposits are non-refundable.