Is this mattress good for couples?

Yes, it scores 9.4 out of 10 for motion isolation. Two independent spring layers, the 2850 main pocketed coils plus a micro-coil layer, each compress only under the weight directly on them, so a partner shifting on one side is barely felt on the other. One honest note: the natural latex on top is naturally lively and carries slightly more movement than pure memory foam, though overall isolation remains excellent.