Re: Too Much, Too Soon?
Can't hurt, will help. Personally I'd spread the various classes out both in time and location so you'd get different instructors, companions, boats, weather, and geography. Also you'd have more time to "internalize" and work on what you'd learned before moving up to the next step.
For reasons of logistics what you've proposed may work best for you. So I wouldn't second-guess you if you decide to go ahead.