Calves in costumes, fresh pies, spooky jack-o’-lanterns and more autumnal treats and festivities will take over the Agricultural Hall in West Tisbury Saturday for the Martha’s Vineyard Agricultural Society’s annual Harvest Festival.

Free to attend and open to people of all ages, the festival is an opportunity for Islanders to indulge in all things fun and fall-themed, said agricultural society program coordinator Lucy Grinnan.

The festival runs from 10 a.m. to 3 p.m. rain or shine, though showers in the forecast may turn some activities indoors.

“We might end up moving some of our events into the front and back of the main hall, but honestly I really like when the hall feels warm and full,” Lucy said. “We have such a big space to work with. I’m not worried.”

Some of the festival’s fan favorites will make a return, including a horse tractor show, hay bale maze, mounted archery and face painting. Brand new games and competitions are on the schedule, too.

“We have a pie baking contest this year,” said Lucy. “We have three pretty amazing judges who are incredible bakers… and the winner gets a $75 gift card to King Arthur Baking [Company].”

It is hard to say which event draws the most love from festival-goers year after year, but for Lucy, watching Islanders reconnect with friends they did not see over the busy summer is the sweetest treat.

“It’s really this off-season community event where, you know, you can run into all of the people you haven’t been with in awhile,” said Lucy. “It’s the time of year where the year-round community can come back together.”

For a full schedule of the Harvest Festival and more information, visit marthasvineyardagriculturalsociety.org.