When Can I Book?
What's an Earliest Booking Time*?
It’s just our more fun way of saying “Tuesday at 2:45pm” or “Wednesday at 11:00am.” But really, it’s just what it sounds like! Your Earliest Booking Time (or EBT, since we’re all old friends now) is your first chance to book your stateroom. We spread them out over several days to provide you the best possible guest service experience during the booking process.
I sailed in 2025...
311 Caribbean Cruise 2025 alumni will be given the first chance to book!
This group will be automatically assigned an EBT. Booking times are assigned in order, sorted by the most times on 311 Caribbean Cruise, then by order of booking last year. Note that EBTs will be spread throughout several days so that we may provide you with the best possible guest service experience as you make your reservation.
I've sailed on past 311 Caribbean Cruises, but missed out on 2025...
Alumni who missed 311 Caribbean Cruise 2025 will be given a chance to book next.
This group must sign up for the presale, and the booking order is determined by the number of 311 Caribbean Cruise sailings, the number of Sixthman events, the most recent year, and then by order of booking for their most recent 311 Caribbean Cruise.
I've never sailed on 311 Caribbean Cruise but am a member of 311 Nation...
New 311 Caribbean Cruise guests who join the presale and are members of 311 Nation are the next group to be included. Please note that you will need to be a member of 311 Nation by 11:59pm ET on March 13, 2026 in order to be included and must register for the presale using the same email address that you use for 311 Nation.
I've never sailed on 311 Caribbean Cruise and am not a member of 311 Nation...
New 311 Caribbean Cruise guests who join the presale and are not members of 311 Nation arere the final group to be included.
Note that there will be multiple groups of new guests - those who sign up before the initial deadline and then those who sign up after.
Please Note: Being a part of the presale does not guarantee that staterooms will be left for purchase when it’s your time to book. If the ship fills up, we’ll offer the First Available Program.
* An Earliest Booking Time (EBT) is assigned to everyone participating in the presale. At or after your EBT, go to 311cruise.com. Once you sign in, your time will be verified and you'll be able to begin the booking process. You can also book over the phone at 877-379-9181. Booking times are non-transferable. Only one stateroom can be booked per EBT.
Presale Timeline:
2025 Alumni
EBT Email: 3/11/2026
Booking Dates: 3/18/2026-3/20/2026
Non-2025 Alumni
Sign-Up Deadline: 3/19/2026
EBT Email: Afternoon 3/20/2026
Booking Date: 3/23/2026
First Round of New Guests (311 Nation Members will be prioritized):
Sign-Up Deadline: 3/19/2026
EBT Email: Afternoon 3/20/2026
Booking Dates: 3/23/2026-3/25/2026
Final Round of New Guests:
Sign-Up Deadline: 3/24/2026
EBT Email: Afternoon 3/25/2026
Booking Date: 3/26/2026
Public onsale: 3/26/2026, 2:00pm ET