Search in the Things to Do, or Tours, or Events and Festivals categories at https://www.visitscotland.com/places-to-go/kingdom-fife. If you click on the MAP VIEW in the top right you can see immediately the venues on the East Neuk 50 route.
There are a huge variety of places to eat in Fife and along the East Neuk 50 route. Please search the visit Scotland Fife site and select Food & Drink as your search term. If you click on the MAP VIEW in the top right you can see immediately the venues on the East Neuk 50 route. Click here https://www.visitscotland.com/places-to-go/kingdom-fife
Renowned Chef and local food expert Christopher Trotter has put together a guide to local produce and a list of his favourite places to eat along the route, see his recommendations here https://eastneuk50.org/food-what-and-where-to-eat/
There are a lot of options of places to stay - from camping to B&B to pubs and hotels. And of course the usual websites for privately rented accommodation. Visit Scotland has a comprehensive range of all types. https://www.visitscotland.com/
There are several other sites but this one has the most comprehensive coverage. https://www.ukcampsite.co.uk/sites/calcdist.asp?address=&bar=&shop=&restaurant=&beach=&transport=&md=20&l=56.283730766263304&lg=-3.092640638351441&sort=
Toilets are widely available in pubs and cafes though they are generally restricted to customer's use. A list of public toilets that are operated by Fife Council is here: https://www.fife.gov.uk/facilities/public-toilet/public-toilets
Find your nearest GP, pharmacy, dentist or optician at: https://www.nhsfife.org/services/find-your-nearest/
There are police stations at Kirkcaldy, Levenmouth, St Andrews and Dundee, but you are best to phone 101 for non-emergency and 999 for emergency.