We arrive intLondon heathrow the Wednesday morning before our Saturday departure. Don’t have any plans on missing the boat, worst case we miss a day of sightseeing.
also keep in mind the number of passengers you have including luggage and any wheel chairs you might have , After considering everything make your choice
will the photo package be available to buy separately? DH and I don't drink a lot of the high priced drinks, and really are only interested in the unlimited photos