Interesting. I was looking for a great vacation getaway when I eyed this forum. What I discovered is, that the best place is the Beis Midrash and Dalet Amos Shel Halacha.
All of you seem to be correct on the issue of swimming with a spouse. The Debrecen’er Rav discusses this in his Responsa – Be’er Moshe (Chelek 4, Siman 122). This is his response:
?????, ???? ????? ??? ????? ????? ??????? ??? ????? ??? ???. A rough interpretation would be, although it is permitted Al Pi Halacha, one shoul refrain.