ArcaMax

Fall, by the way, is an excellent time to visit Martha’s Vineyard, whether for a day (just an hour on one of the ferries from Cape Cod where fares start at just $8, $4.25 for kids up to 12) or several days, if your kids aren't yet in school. The weather is still warm enough for the beach -- there are 19 to choose from and some 44 miles of bike trails -- but the crowds and A-listers are gone (the Obamas are expected to vacation here this month) and hotel rates drop significantly.

For example, rates at the 123-year-old Harbor View Hotel in Edgartown, which serves eggs from the Farm Institute and whose chef Nate Gould, sources 80 percent of the food locally, start at $210 in fall, less than half summer rates. Families will love the convenience -- a short walk to town and the beach, the pool, big wrap-around porch with rocking chairs. When we visited, kids found the lawns perfect for somersaults and hand-stands.

The Winnetu Oceanside Resort, which borders the Farm Institute and brings their young guests here weekly in summer, touts a special fall program for parents, grandparents and toddlers with rates starting at $175 (down from $495 in summer.) Families love the South Beach location, the heated pools, tennis club and complimentary yoga.

But nothing trumps the lessons to be learned at the Farm Institute.

"I learned cows can't see in front, just to the side," said 8-year-old Abby.

"I learned that pigs don't sweat. That's why they need to roll around in the mud to cool off," said Karinne, 10.

"I learned you have to be calm and quiet around bunnies, or they will run away," said Ricky, 6.

All valuable lessons -- and vacation memories -- they won't forget, especially the next time they're at the grocery store.

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If you are heading to New England, check out Eileen's new Kid’s Guide to Boston, one of her series of city Kid's Guides available online or from major booksellers. Follow @Taking the Kids on Twitter and Facebook.

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