We are starting to get serious about the excursions for the cruise. I have examined the PG cruise excursions and done some research on Cruise Critic. I have also corresponded with some of the tour operators. In Aitutaki, we will probably book with Teking Lagoon Cruises. See
Teking Lagoon Cruise Tours.
For the time being, we are focusing on the Signature Lagoon Cruise. However, if others want to get involved, we can explore something more personalized, e.g., a charter.
It is my understanding that sometimes there is difficulty in "landing" in the ports of the Cook Islands, but I think the tour operators have reasonable cancellation policies if that should happen.
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Eugene