Couples massage for people who are not a couple is a booking that arrives several times a week and almost always with a disclaimer in front of it. We are friends, is that allowed. We are sisters, is that strange. We are colleagues at the same conference and we are not, to be clear, together. The word on the tin is doing some unhelpful work here. What is actually being booked is two therapists in one room, working on two adults at the same time, and the relationship between those two adults is not a qualification anybody checks.
So yes. And since the question is nearly always followed by three more, here are those too.
Who actually books it
Two friends on a long weekend, sharing a room because the city is expensive. Two sisters who see each other twice a year. A pair of colleagues at the end of a trade fair week who have spent four days being professional at each other and would like an hour of not being. Two people who used to be a couple and are travelling as friends, which is more common than you might guess and causes nobody any difficulty.
Everyone involved is twenty one or over, and that is the only condition that is genuinely non negotiable. Beyond it, the booking does not ask what the two of you are to each other, and the therapists will not either.
What changes when you are not a couple
Less than you expect in the room, and quite a lot in the planning, because the assumptions a couple makes without discussing them are exactly the ones two friends need to say out loud.
The first is undressing. A couple takes for granted that the other person seeing them under a towel is a non event. Two friends may not, and the honest thing is to say so rather than discover it at the moment the robes come off. The fix is straightforward: ask for the two working surfaces to be set further apart, or at an angle, or with something between them. It is a thirty second adjustment and it changes the whole hour for whoever needed it. What to wear covers the mechanics of the undressing part, including the minute of privacy the pair give you before they come back in.
The second is format. Couples often choose the same thing as each other out of habit. Two friends have no such habit, which is an advantage: choose independently, and expect the two choices to differ. One person having something firm and thorough beside somebody having something much slower is an ordinary evening, not a mismatch.
The third is the ending. A couple finishes a session and stays in the room. Two friends finish and may want fifteen minutes each in a bathroom before anybody speaks. Plan for that rather than standing about.
Separate rooms, and when that is the better answer
Nothing requires the two of you to be in the same space at all. If either of you looks at the paragraph above and thinks that sounds like an hour of concentrating on not looking sideways, book two sessions in two rooms at the same hour instead. It costs the same, because two therapists is two fees whichever way the doors are arranged.
The version couples never consider and friends should: same hour, adjacent rooms, meet in the corridor afterwards and go and eat. You get the shared thing, which is really the point, without the shared floor space.
Worth knowing if you are in a rented flat rather than a hotel: two bedrooms in one apartment works exactly as well as two hotel rooms, and there is no coordination cost in the building. The rental apartment guide goes through what the space actually needs.
How to say it in the booking message
One line, no explanation required. Two of us, friends rather than a couple, one room or two, ninety minutes, around nine. That is all it takes, and the reply comes back in roughly ten minutes with two names and an arrival window.
The reason to include the friends rather than a couple part is not propriety. It is pairing. A pair of therapists sent to two people who are not intimate with each other read the room differently, keep the two sessions more separate, and do not say the things that are normal to say to a couple. Leaving it out means the pairing is made against a wrong assumption, and nobody benefits from that.
If one of you is nervous and one is not, say that as well. It is the single most useful sentence any booking message can contain, for couples and non couples alike, and the piece about uneven enthusiasm explains what happens at our end when it is included.
Two last practical notes
Money is simpler than for couples, oddly. Decide before the evening whether you are splitting it and how, and have the whole amount together in one place, because it is settled as one payment at the door in cash, by card or in crypto. Working out a split in front of two women who are putting their coats on is the one genuinely awkward thing available to you on this evening, and it is entirely avoidable.
And do not overthink the word. A massage for two is a description of the arrangement, not of the relationship. The two of you turn up as whatever you are, and an hour later you are two people who feel considerably better than you did, which is the same outcome either way.