Fit to cruise certificate
The medical letter cruise lines ask for — for pregnancy, a long-term condition, or recovery from recent illness. Signed by a UK GP, same day.
The short answer. A fit to cruise certificate confirms you are medically fit to sail. Cruise lines ask for one more often than airlines, and apply stricter limits — most will not carry you past the 24th week of pregnancy, well before any airline cut-off. If you are flying to join a ship, you must satisfy both sets of rules.
Why cruise rules are tighter
The reasoning is straightforward. A commercial aircraft with a sick passenger can divert and be on the ground within a couple of hours. A ship mid-ocean cannot, and its medical centre is equipped for stabilisation rather than treatment. Cruise lines therefore assess risk over the whole voyage, not just at the point of boarding.
Two consequences follow. First, pregnancy limits are much earlier — typically you must not have entered your 24th week at any point during the cruise, not merely on the day you board. Second, lines take a closer interest in conditions requiring ongoing treatment, oxygen, dialysis or recent surgery.
What cruise lines usually ask the letter to confirm
- That you are fit to travel by sea for the full duration of the voyage
- For pregnancy: your estimated due date, and how many weeks you will be at embarkation and disembarkation
- That any long-term condition is stable and well controlled
- What medication you take, and that you carry enough for the trip
- That you do not require medical care beyond routine self-management
Individual lines publish their own wording and some have their own form. Tell us which line you are sailing with and we will match it.
Cruise lines set their own limits and they vary between operators and even between ships. Always check the medical and pregnancy policy for your specific booking before you travel, and declare any condition at the time of booking rather than at the terminal.
Common questions
What is a fit to cruise certificate?
A doctor’s letter confirming you are medically fit to take a cruise. Cruise lines ask for one more readily than airlines because a ship at sea has limited medical facilities and may be days from a hospital.
Are cruise rules stricter than airline rules?
Generally yes, and for a practical reason: an aircraft can divert and land within hours, a ship often cannot. Cruise lines commonly set earlier pregnancy cut-offs than airlines — typically the 24th week at the start of the voyage, against 36 weeks for many airlines — and take a firmer line on conditions needing ongoing treatment.
When in pregnancy can I cruise?
Most major lines will not carry you if you will have entered your 24th week by any point in the voyage, and most require a doctor’s or midwife’s letter confirming your due date and fitness to travel. That is substantially earlier than the airline limits, so check the cruise line first when you are combining a flight with a cruise.
I have a long-term condition. Will I be refused?
Usually not. Cruise lines are mainly concerned with whether a condition is stable and whether you would need care they cannot provide at sea. A clear letter describing a stable, well-managed condition and any medication you carry is normally what they want. Declare it rather than hoping it goes unnoticed — an undeclared condition can invalidate both boarding and insurance.
Does the certificate cover the flights as well?
Not automatically. If you are flying to join the ship, you are subject to the airline’s rules on the way there and the cruise line’s rules on board, and they are not the same. Tell us both and we will make sure the letter satisfies each.
Related
Get your fit to cruise certificate
Tell us which line you are sailing with, your dates, and anything they have asked the letter to confirm. A GMC-registered GP issues it the same day on weekdays.
Get startedReviewed by a GMC-registered GP. Full refund if a certificate cannot be issued on clinical grounds.