which ports offer dive trips from the cruise ship's pier?

[jonhall]

No affirmative responses here, tells me that what I was thinking may not exist. I know I saw it one time at least years ago...but not sure about diving. I think it was a sailboat excursion that folks were boarding as we walked into town...

Any suggestions for great ports with convenient scuba excursions,

Guessing the response you were looking for is if any ports have convenient scuba excursions right off the ship - the answer is yes. I did some research just a few years ago for a cruise I was taking and found several ports that had dive centers or a dive ops boat within a 5 minute walk (such as in St. Thomas or St. Kitts.) Some places, such as St. Martin, have a slightly longer walk at 10-15 minutes. With a family, I'd probably be looking for the convenience of a scuba excursion being right off the ship also.

I'm linking my spreadsheet for Cozumel dive shops, in case that becomes a possibility for you. It has a column for cruise ship friendly dive ops - if at the International Pier, their are some ops that are about a 10-15 minute walk away - nothing right off the ship.
Dive ops by jonhall

Several ScubaBoard members dive on cruise ship stops - try using the search feature above to look up cruises, maybe specific ports/islands, and you should find info on what others have done.

Ambient Diver Cozumel
Run by ChuckP (SB)

Chuck passed the assets off to Humarine just about 2 years ago.