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Free Events and Things to do in Brentwood, NY

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Almost full
U.S. Senator Gillibrand’s Long Island Region Service Academy Night 2026
Thursday at 6:00 PM
Farmingdale · SUNY Farmingdale
Almost full
U.S. Senator Gillibrand’s Long Island Region Service Academy Night 2026
Thursday at 6:00 PM
Farmingdale · SUNY Farmingdale
Sunday Flynnday a Fire Island Tradition, BRUNCH, BEACH, BEATS
Sun, May 31, 11:00 AM
Ocean Bay Park · Flynn's Fire Island
Sunday Flynnday a Fire Island Tradition, BRUNCH, BEACH, BEATS
Sun, May 31, 11:00 AM
Ocean Bay Park · Flynn's Fire Island
Sales end soon
DEJA DE SOÑAR, EMPIEZA A LOGRARLO ✨
Tomorrow at 11:30 AM
Sayville · 299 Raft Ave
Sales end soon
DEJA DE SOÑAR, EMPIEZA A LOGRARLO ✨
Tomorrow at 11:30 AM
Sayville · 299 Raft Ave
Going fast
Volunteer at Island Harvest's Farm
Fri, Jun 5, 9:00 AM
Brentwood · Sisters of St Joseph
Going fast
Volunteer at Island Harvest's Farm
Fri, Jun 5, 9:00 AM
Brentwood · Sisters of St Joseph
2026 HEC Annual Summer Social
Tue, Jun 9, 5:30 PM
Kings Park · St Johnland Nursing Center, Inc., Assisted Living and LHCSA
2026 HEC Annual Summer Social
Tue, Jun 9, 5:30 PM
Kings Park · St Johnland Nursing Center, Inc., Assisted Living and LHCSA
Nest Book Club Discussion: The Stolen Queen by Fiona Davis
Wed, Jun 3, 6:00 PM
Northport · Nest on Main
Nest Book Club Discussion: The Stolen Queen by Fiona Davis
Wed, Jun 3, 6:00 PM
Northport · Nest on Main
ASIAN NIGHT MARKET & FREE ASIAN MUSIC CONCERT
Sat, Jun 13, 11:00 AM
Hicksville · Broadway Commons
ASIAN NIGHT MARKET & FREE ASIAN MUSIC CONCERT
Sat, Jun 13, 11:00 AM
Hicksville · Broadway Commons
Waters to Peoples Beach Cleanup at Sunken Meadow State Park
Sat, Jun 6, 10:00 AM
Kings Park · Sunken Meadow State Park
Waters to Peoples Beach Cleanup at Sunken Meadow State Park
Sat, Jun 6, 10:00 AM
Kings Park · Sunken Meadow State Park
Pop Con
Sat, May 30, 11:00 AM
Patchogue · Patchogue-Medford Library
Pop Con
Sat, May 30, 11:00 AM
Patchogue · Patchogue-Medford Library
Almost full
A Day in Federal Court
Tue, Jun 23, 9:00 AM
Central Islip · 100 Federal Plaza
Almost full
A Day in Federal Court
Tue, Jun 23, 9:00 AM
Central Islip · 100 Federal Plaza
Sunday Flynn-Day Darty on the bay! "University Survivor" edition
Sun, Jun 7, 12:00 PM
Ocean Bay Park · Flynn's Fire Island
Sunday Flynn-Day Darty on the bay! "University Survivor" edition
Sun, Jun 7, 12:00 PM
Ocean Bay Park · Flynn's Fire Island
NY Real Estate Investor Group Event in FARMINGDALE!
Tue, Jun 23, 5:30 PM
Farmingdale · The Main Event
NY Real Estate Investor Group Event in FARMINGDALE!
Tue, Jun 23, 5:30 PM
Farmingdale · The Main Event
NYSF Summer Haze Night Market
Sat, Jun 13, 6:00 PM
Deer Park · 759 Long Island Ave
NYSF Summer Haze Night Market
Sat, Jun 13, 6:00 PM
Deer Park · 759 Long Island Ave
Long Island Select Healthcare $2.3M Grant Announcement
Mon, Jun 1, 10:00 AM
Central Islip · 159 Carleton Ave
Long Island Select Healthcare $2.3M Grant Announcement
Mon, Jun 1, 10:00 AM
Central Islip · 159 Carleton Ave
Going fast
Prehistoric Plants of Caleb Smith, Adult Program, $4 per adult upon arrival
Sat, May 30, 10:30 AM
Smithtown · Caleb Smith State Park Preserve
Going fast
Prehistoric Plants of Caleb Smith, Adult Program, $4 per adult upon arrival
Sat, May 30, 10:30 AM
Smithtown · Caleb Smith State Park Preserve
Herald Senior Health and Beyond Expo: Babylon
Thu, Jun 25, 10:00 AM
Babylon · 27 Locust Ave
Herald Senior Health and Beyond Expo: Babylon
Thu, Jun 25, 10:00 AM
Babylon · 27 Locust Ave
Pilates With Paris x Stand Up To Poverty
Sat, Jun 6, 10:30 AM
Central Islip · Central Islip High School
Pilates With Paris x Stand Up To Poverty
Sat, Jun 6, 10:30 AM
Central Islip · Central Islip High School
Almost full
Horseshoe Crabs! Tiny Tots Program (Ages 3-5), $4 per child upon arrival
Wednesday at 10:30 AM
Oakdale · Connetquot River State Park Preserve
Almost full
Horseshoe Crabs! Tiny Tots Program (Ages 3-5), $4 per child upon arrival
Wednesday at 10:30 AM
Oakdale · Connetquot River State Park Preserve
Peter and the Wolf/Pedro y el Lobo free family concert
Sat, Jun 20, 7:00 PM
Bay Shore · Bay Shore Middle School
Peter and the Wolf/Pedro y el Lobo free family concert
Sat, Jun 20, 7:00 PM
Bay Shore · Bay Shore Middle School
Calling All Artists - Talent Contest Event
Sat, Jun 6, 11:00 AM
Sayville · Sayville Theater
Calling All Artists - Talent Contest Event
Sat, Jun 6, 11:00 AM
Sayville · Sayville Theater

Trends in Brentwood

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Frequently asked questions about Brentwood

What are the best free events to attend?

According to Eventbrite, the best free events are:

Sunday Flynnday a Fire Island Tradition, BRUNCH, BEACH, BEATS

Volunteer at Island Harvest's Farm

2026 HEC Annual Summer Social

Nest Book Club Discussion: The Stolen Queen by Fiona Davis

Which events are currently trending in Brentwood?

The trending searches this month in Brentwood are:

festivals and carnivals

Which free events are coming up?

Discover the best free events happening soon – you don't want to miss them:

DEJA DE SOÑAR, EMPIEZA A LOGRARLO ✨

Horseshoe Crabs! Tiny Tots Program (Ages 3-5), $4 per child upon arrival

U.S. Senator Gillibrand’s Long Island Region Service Academy Night 2026

Prehistoric Plants of Caleb Smith, Adult Program, $4 per adult upon arrival