Carnivals, Fairs, and Festivals on Long Island, NY (August 2025)
Nassau County:
Arts in the Plaza
Kennedy Plaza, 1 West Chester St., Long Beach
Saturdays, 9 am – 2 pm through Oct. 25
All ages
Free
At this exclusively handcrafted market, you can find one-of-a-kind gifts for yourself and your loved ones. Creations are available in myriad mediums, including photography, jewelry, painting, drawing, wood, glass, mixed media, clothing, accessories, and home décor. Live music can be enjoyed throughout the day. An eclectic and exciting line-up of musical performances is presented in both the morning and afternoon.
Long Island Retro Gaming Expo
Cradle of Aviation Museum, Charles Lindbergh Blvd., Garden City
Aug. 8-10, Friday, 3 – 9 pm; Saturday, 10 am – 9 pm; Sunday, 10 am – 5 pm
All ages
Tickets start at $15.65 child and $30.38 adult
The Long Island Retro Gaming Expo is where gamers, new and old, can experience the joy and history of videogames in an environment that encapsulates the golden eras of gaming but re-imagined for today’s player. LI Retro houses over three levels of arcades, hundreds of console and PC gaming events, exclusive exhibits, engaging panels, curated vendors, live performances, and more.
The Great Nature Play Day: A Summer Family Festival
Planting Fields, 1395 Planting Fields Road, Oyster Bay
Saturday, Aug. 16, 10 am – 1 pm & 1 – 4 pm
All ages
$15 ages 3 – 12; free for parents
Curiosity, creativity, and the great outdoors come together at this hands-on event that invites young explorers to dive into nature through exciting activities, fun crafts, and endless fun in the sun.
Island Park Greek Festival
Panaghia of Island Park, 83 Newport Road, Island Park
Aug. 21-24, Thursday, 5 – 10 pm; Friday, 5 – 11 pm; Saturday, 12 – 11 pm; Sunday, 12 – 9 pm
All ages
Free admission
Enjoy rides, games and live music on Friday, Saturday, and Sunday, and traditional Loukoumades, pastries, Greek food, and a variety of beers and wines.
Long Island Celtic Festival and Highland Games
Old Westbury Gardens, 71 Old Westbury Road, Old Westbury
Saturday, Aug. 23, 8 am – 5 pm
All ages
$12-$25
The 2nd Annual Long Island Celtic Festival and Highland Games will honor the Celtic heritage, arts, and culture of Long Island and NYC immigrants from Scotland, Ireland, Wales, and Brittany. The festival will feature entertainment for all ages, vendors specializing in Celtic products, and food trucks.
Long Island Nets Summer Fest
Jones Beach (Field 4) – Basketball Courts, 1000 Ocean Parkway, Wantagh
Saturday, Aug. 23, 9:30 am – 1:30 pm
All ages
Free admission, some activities require a fee
Long Island Nets Summer Fest is designed to bring together fans, families and local supporters in celebration of community. The event will feature a live DJ and music, performances by the Long Island Nets Dance Team, a meet-and-greet with team mascot Dale the Eagle, and free giveaways from the team and community vendors.
Suffolk County:
Summerfest 2025
Downtown Sayville, Main St., Railroad Ave, Gillette and Rotary Park, Sayville
Aug. 1-3, Friday, 5 – 10 pm; Saturday, 11 am – 10 pm; Sunday, 10 am – 9 pm
All ages
Free admission; prices vary for rides
The Greater Sayville Chamber of Commerce will be hosting its annual Summer festival, which will encompass the entire downtown Sayville area. On Sunday from 1 am to 3 pm, families will enjoy live entertainment, rides and attractions, craft and food vendors, and a car show.
National Night Out
Smith Haven Mall, 313 Smith Haven Mall, Lake Grove
Tuesday, Aug. 5, 5 – 8 pm
All ages
Free
This community event features a meet and greet with local officers, emergency vehicles, refreshments, music, games, and more.
Tanger Outlets Riverhead Back-To-School Bash
Tanger Outlets Riverhead, 200 Tanger Mall Drive, Riverhead
Friday, Aug. 8, 3 – 7 pm
All ages
Free
Families can celebrate their scholars with an array of fun-filled activities, including a fashion show, DIY craft station, ice cream social and fun jumps for all ages.
Pre-Shabbat Summer Fair
Chabad of the Hamptons, 13 Woods Lane, East Hampton
Friday, Aug. 8, 6 – 7:30 pm
All ages
Free
Advanced registration required
Get ready to experience the magic of Shabbat with exciting activities, a delicious buffet, and warm community spirit. It’s the perfect way to kick off your weekend with joy and connection!
KIDFEST: 123 Andrés
Guild Hall, 158 Main St, East Hampton
Wednesday, Aug. 13, 3:30 – 5:30 pm
All ages
$10-$25
Andrés and Christina bring a dynamic blend of Latin American beats, engaging storytelling, and plenty of audience participation—perfect for kids and families. Singing in both Spanish and English, they inspire learning through music while creating a joyful, inclusive atmosphere where everyone can dance, clap, and sing along. 123 Andrés will have you moving, learning, and celebrating the magic of music. The fun starts early with an arts & crafts workshop with the Children’s Museum of the East End starting at 3:30 pm. Pre-show workshops are free for all KidFEST ticket holders.
Polish Town Fair & Festival
Polish Town USA, 300 Lincoln St., Riverhead
Aug. 16-17, Saturday and Sunday, 10 am – 6 pm
All ages
Free admission
Step into a vibrant world of tradition, community, and celebration to mark the 50th Anniversary of the iconic Polish Town Fair & Festival! This beloved cultural event transforms the town into a dazzling showcase of authentic Polish heritage — from polkas to pierogis, folk art to pony rides and kids’ games.
Port Jefferson Greek Festival
Greek Orthodox Church of the Assumption, 430 Sheep Pasture Road, Port Jefferson
Aug. 21-24, Thursday, 5 – 10 pm; Friday, 5 – 11 pm; Saturday, 1 – 11 pm; Sunday, 12 – 9 pm
All ages
$2 adult admission; ride tickets available for purchase
Enjoy delicious Greek cuisine & pastries, go on thrilling carnival rides, enter raffles, check out live Greek music & dances, take in spectacular fireworks on Friday and Saturday, and more.
30th Annual Holbrook Chamber Carnival & Festival
Holbrook Country Club, 700 Patchogue-Holbrook Road, Holbrook
Aug. 21-24, Thursday-Friday 6 – 11 pm; Saturday, 2 – 11 pm; Sunday, 2 – 9 pm
All ages
Prices vary for rides
It’s fun for the whole family with live bands, thrilling rides, and contests! Fireworks on Saturday.
2025 Seafood Festival
Long Island Maritime Museum, 88 West Ave., West Sayville
Aug. 23-24, Saturday and Sunday, 11 am – 6 pm
All ages
$10; free for children younger than 12
This annual Seafood Festival features live music, crafts, kids’ activities, and of course, lots of seafood!
Heritage Country Fair
The Smithtown Historical Society, 239 E Main St., Smithtown
Saturday, Aug. 23, noon – 4 pm
All ages
$10
Join the Smithtown Historical Society for a day of fun while celebrating local history! Enjoy tours of historic homes, historical reenactments, live music, food and craft vendors, face painting, a petting zoo, free crafts, and so much more! Experience some family fun while learning about the history of Smithtown.
Nesconset Day 2025
Nesconset Gazebo, Smithtown Blvd. Nesconset
Sunday, Aug. 24, 10 am – 5 pm
All ages
Free
Celebrate Nesconset with music, bounce houses, games, face painting, crafts, food trucks, vendors, and more.
https://www.longislandpress.com/2025/07/31/carnivals-festivals-fairs-2025/
(photo credit: Sebastian Davenport-Handley / Unsplash)
