Sue,
I do take my family on my Fishing trip's, or more so our summer holidays always end up around vast Lough's, for some strange reason.
Now once the kid's get a bit of recreation and the wife get's to do something she enjoy's, the Fishing for me get's easier.
But as your idea suggest, you are doing other activities alongside the fishing, this from my point of view, (having read an add with that suggestion) would be very family orientated, which would be down our ally.
We have being to scotland before, residing in balloch, beside Lough lomand, and it was great, i was a guest in the local club house for the two weeks,

and the rest of the family enjoyed daily trips to the highlands, and shopping days out, and the walks we took were fantastic.
I think your on to a winner their,and if your up and running,I would certainly go for it as my son and daughter are my junior fly fishing partner's, and you could teach my wife how to cook.So book me in
Regard's
Dave