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Hi, @thinkit, that's a great question which I don't have an immediate answer to. We have a friend who led a research expedition there, ummm, a couple of decades ago (we call him Captain Antarctica - no joke). On a serious note, we have another friend in Cape Town who's pretty jacked up on things expeditionary. I'll ask him and get back to you. As for a trip to Marion Island, unfortunately (!), that's not a tourism option. Researchers only. They get dropped off in April and picked up the following April, or May, or June...we'll find out from Thando. Nobody else lands in the meantime.

Maybe hey need a deck hand- Ill break the ice off the .. off something lol.
I had a friend visit last year but he left from Ushuaia on the southern tip of Argentina- cost him something like 6000usd for 10 days I think. Must be really amazing to be part of those trips.