Portobello is a nice seaside town just outside Edinburgh.
Edinburgh hosts lots of museums both national and city focused. Plenty of strange things to try to explain that will engage all ages.
Mary King's Close strikes me as a good venue for any cabal meetings that may be needed (joke)
There is still a Scottish-Italian community left in Edinburgh (and Glasgow of course). Owen Logan photographed that community extensively for his Bloodlines book and exhibition. Some families run shops, including the famous Volvona and Crolla, and many family run restaurants. I was visiting Edinburgh fairly regularly in the 1980s and early 90s and can remember the old Valvona and Crolla shop at the top of the Leith Road in the city. Hams hanging from the ceiling, cheeses, wines, olive oil and opera on the record player.
The kernel wranglers could eat (and drink) very well.
Coat: mine's the one with the Iain Rankin novel in the pocket (several times we have stayed in a self-catering flat, I've bought a novel at Waverly, and I have found myself reading about the street we are staying in)