Shipwreckscanada
Contributor
Take the level II and III courses and start teaching.
One thing you can do is to hang out with some marine survey guys and see if they will take you along for inspections on wooden boats or even ships. These guys know what they are looking at, and looking for, and can lay your hands on stuff that many archaeologists only read about.
If I was a few years younger, I would

Maybe after my retirement.