Greece: Second Attempt. Seeking itinerary feedback

Just 2 remarks:

May 1st (Labor Day) is a public holiday and traditionally a ferry strike day. If you were planning to take the ferry to an island on May 1st, the day you land, you'll have to change your plans.

You'll be the one spending time in the car, but I warn you that you'll be doing a lot of driving, especially the trip between Meteora and Olympia, which will take almost an entire day.

In mainland Greece, it's common to want to see too much in too little time and to rush from one must-see to the next. It's not as easy as getting from one place to another by turning the pages of a travel guide. Taking Olympia as an example, it's certainly an interesting (and very touristy) site, but keep in mind that you won't spend more than 2 or 3 hours visiting it, and at least 6/7 hours traveling to get there from Meteora.

I'd add that you shouldn't consider everything between two sites as a gray area of ​​no interest. By driving from one place to another, without stopping you'll miss a lot. The best memories are often the places along the way, not the "must-sees" themselves.

This is just my opinion and it's your trip, so you decide.

You are trying to see Meteora and the Peloponnese in one trip so that will make for a lot of driving. You will have a very long day driving from Meteora to the Peloponnese. You could put Delphi and Meteora at the end rather than the beginning. That way drive from Nafplio to Delphi and then Delphi to Meteora. It is about 4 hours from Kastraki to the Athens airport.

I would skip Olympia. You are already visiting Nemea (which we also visited) so seems a bit repetitive and not worth it for all the driving. If you skip it, you could go straight to Kardamyli. It is about 3.5-4 hours from Piraeus Port to Kardamyli (there is a toll way for most of the way). You should stop and see the Cornith canal on the way. It is so amazing. This is assuming you go to Delphi and Meteora at the end of your trip. I do think that would work better.

I would add that night to Meteora. I think you are only spending one night and you really need two. We spent two nights and saw all but one monastery. We would have been able to see all of them if it had not been 2022 when we had to go to the next town for covid testing. Both my son and brother in law (not together) spent one night and said it wasn’t enough.

I also would lay your itinerary out by nights. It makes it easier to see how much time you have. Two nights equals one full day.

Thank you both for your replies, especially for the May 1 holiday information. My plan was to take a ferry that day, so I need to create a plan b. And Olympia may be on the chopping block...

I didn't make it clear in my original post, but the itinerary is laid out by nights.

Thank you again; the input is very helpful.