The overnight block, eight hours in a room ashore
The overnight is an eight hour stretch priced once, as a whole, with both ends of it written down before anybody travels.
Overnight is a length rather than a mood. It runs eight hours, both ends of it are agreed in writing, and it is the one format on this site that belongs almost entirely to the nights after a voyage rather than the nights before one.
The four figures
Four sums apply to the block, depending on how many guests and how many therapists share the night. Either sum with two therapists comes to rather more than double the matching one-therapist sum, since each woman's whole night is committed to it. Each of those appears in the profile of the woman you are reading, because profiles are where rates live on this site and the roster is where a question about money is answered.
Why it sits badly before a sailing
A block that begins at eleven finishes at seven. Put that in front of a morning with cases, a transfer and a printed boarding hour and the arithmetic collapses, which is the reason the page on the evening before embarkation steers a pre-cruise night towards ninety minutes instead. Put the same block on the first night ashore, with nothing in the diary but a late breakfast, and it is the format the week has been building towards.
Eight hours is not eight hours of massage
This is the sentence worth reading twice. The block holds sleep inside it, and a shower, and a long stretch with the lamp off. Read as one unbroken session it would be neither pleasant nor possible; read as a night, it lets the hours find their own shape, which is what a couple coming off a ship usually wants and rarely knows how to ask for.
Half ahead, with no exception
Every overnight carries a deposit whoever books it and however short the notice, so half of the couple figure goes ahead and the balance is settled when she arrives. Give the night up and the notice scale decides what is kept.