With respect to the 7 Oceans as the 7 Seas answer, I wonder how many bodies of water with "Sea" in the name there really are? :-) I list my 9 traveled below, but they don't include some well known seas such as the North Sea, the Baltic Sea, the Bering Sea, the Beaufort Sea, the Barents Sea, and the Sea of Japan with a few more Pacific rim and Southern Hemisphere seas to add. Your readers are going to be well prepared for some question in a trivia contest on an upcoming cruise. I believe that if the context is specifically the "7 Seas" then we should answer with the Oceans as noted. But if the question is "...bodies of water with Sea in the name.." then game on!
Here is my list of seas traveled:
Black Sea and Sea of Marmara. Sailed in first class on a freight ship from Sinope to Istanbul. (These 2 might be a bit unusual - Uncle Sam helped make these possible.)
Aegean Sea, Ionian Sea, Adriatic Sea, and Mediterranean Sea. Cruising from Istanbul, to Kusadasi (Ephesus), to Athens, to Venice, to Naples (Pompeii), to Livorno (Florence), to Monte Carlo, to Barcelona.
Tyrrhenian Sea, (Naples to Livorno) and Ligurian Sea, (Livorno to Monte Carlo). Do these still count if I had no idea we were sailing across them:-) ?
Balearic Sea. We sailed into Barcelona, but I cant tell where the boundary for this Sea begins.
So it looks like 8 for sure, knowingly or not, plus 1 that is questionable:-)
Just picking up on the trivia note. It would give the Cruiseline community an additional attraction if we start winning trivia contest on the 9 or so seas:-) It might also be fun, good brain exercise, and a distraction from 24" of snow outside, to play trivia while waiting out the dry land exile until the next cruise:-)