The room is pretty small, but there might be enough space for a 2nd dry wetsuit in the room. You would not want a wet wetsuit in the room. If you're using both suits, I think you'll be able to stuff a 2nd one in rack on the dive deck, but it's definitely not roomy. If you find you prefer one over the other, there's plenty of places to dry out the second one and stow it. I went on the RDM Midriff Islands itinerary in early august and I didn't wear a wetsuit at all - just a lavacore shirt. We did hit some deeper thermoclines, sometimes around 50', sometimes around 70'. I would dip into the colder water and if it got uncomfortable, just ascend a little. The water was high 70s most of the time. Sometimes 80. Thermoclines: low 70s.