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Community Events and Things to do in Mountainside, NJ

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Almost full
FREE COMMUNITY EVENT: Juneteenth Freedom Experience 2026
Sat, Jun 6, 2:00 PM
Edison · 500 Plainfield Ave
Almost full
FREE COMMUNITY EVENT: Juneteenth Freedom Experience 2026
Sat, Jun 6, 2:00 PM
Edison · 500 Plainfield Ave
STEAM Around the Square
Sat, May 30, 12:00 PM
Newark · The Newark Museum of Art
STEAM Around the Square
Sat, May 30, 12:00 PM
Newark · The Newark Museum of Art
Sales end soon
Spring Dog Parade at North Park
Sunday at 10:00 AM
Staten Island · North Park Phase 1: Freshkills Park
Sales end soon
Spring Dog Parade at North Park
Sunday at 10:00 AM
Staten Island · North Park Phase 1: Freshkills Park
BlackNic presents... "Sunkissed Summer"
Sat, Jul 25, 1:00 PM
Morristown · Fosterfields Living Historical Farm
BlackNic presents... "Sunkissed Summer"
Sat, Jul 25, 1:00 PM
Morristown · Fosterfields Living Historical Farm
Roc-A-Natural 3rd Annual Arts In The Park at Tappen Park
Sat, May 30, 12:00 PM
Staten Island · Tappen Park
Roc-A-Natural 3rd Annual Arts In The Park at Tappen Park
Sat, May 30, 12:00 PM
Staten Island · Tappen Park
MEMORIAL WEEKEND FLAG FEST at Legendary SOB’s NYC
Sun, May 24, 10:00 PM
New York · Sounds Of Brazil
MEMORIAL WEEKEND FLAG FEST at Legendary SOB’s NYC
Sun, May 24, 10:00 PM
New York · Sounds Of Brazil
#1 PUERTO RICAN FESTIVAL @ PERREO ON THE PIER - REGGAETON PARTY
Thu, Jun 11, 5:00 PM
New York · Watermark
#1 PUERTO RICAN FESTIVAL @ PERREO ON THE PIER - REGGAETON PARTY
Thu, Jun 11, 5:00 PM
New York · Watermark
Roc-A-Natural 5th Annual Juneteenth Freedom Marketplace at Tappen Park
Fri, Jun 19, 12:00 PM
Staten Island · Tappen Park
Roc-A-Natural 5th Annual Juneteenth Freedom Marketplace at Tappen Park
Fri, Jun 19, 12:00 PM
Staten Island · Tappen Park
AAPI Month Crafting and Maker's Market at Essex Market
Sat, May 23, 12:00 PM
New York · Essex Market
AAPI Month Crafting and Maker's Market at Essex Market
Sat, May 23, 12:00 PM
New York · Essex Market
Lunar Faire Night Market 6/13: Promiversary at Horseshoe Lake
Sat, Jun 13, 5:00 PM
Roxbury Township · Horseshoe Lake Recreation Complex
Lunar Faire Night Market 6/13: Promiversary at Horseshoe Lake
Sat, Jun 13, 5:00 PM
Roxbury Township · Horseshoe Lake Recreation Complex
Youth Pride 2026: FREE RSVP
Sat, Jun 27, 11:00 AM
New York · Pier 16
Youth Pride 2026: FREE RSVP
Sat, Jun 27, 11:00 AM
New York · Pier 16
Sales end soon
Patria, The Town of Cain and Abel
Tomorrow at 7:00 PM
Brooklyn · The Rat NYC
Sales end soon
Patria, The Town of Cain and Abel
Tomorrow at 7:00 PM
Brooklyn · The Rat NYC
2026 PrideFest Exhibitor Registration
Sun, Jun 28, 11:00 AM
Manhattan · PrideFest
2026 PrideFest Exhibitor Registration
Sun, Jun 28, 11:00 AM
Manhattan · PrideFest
Going fast
2026 Somerset County 4-H Fair Exhibitor Vendor Registration
Wed, Aug 5, 10:00 AM
Bridgewater · North Branch Park
Going fast
2026 Somerset County 4-H Fair Exhibitor Vendor Registration
Wed, Aug 5, 10:00 AM
Bridgewater · North Branch Park
Sales end soon
Urban League of Hudson County, Inc. - Teacher Appreciation Celebration
Tomorrow at 11:00 AM
Jersey City · Hudson County Community College
Sales end soon
Urban League of Hudson County, Inc. - Teacher Appreciation Celebration
Tomorrow at 11:00 AM
Jersey City · Hudson County Community College
Raritan Native American Heritage Celebration & PowWow
Sat, Jun 20, 11:00 AM
East Brunswick · Middlesex County Fair Grounds
Raritan Native American Heritage Celebration & PowWow
Sat, Jun 20, 11:00 AM
East Brunswick · Middlesex County Fair Grounds
ARMYRANG East Rutherford Street Fair & Concert Pre-Game
Sat, Aug 1, 12:00 PM
Carlstadt · Bolero Snort Brewery and Tasting Room
ARMYRANG East Rutherford Street Fair & Concert Pre-Game
Sat, Aug 1, 12:00 PM
Carlstadt · Bolero Snort Brewery and Tasting Room
25th Annual Egg Rolls, Egg Creams & Empanadas Street Festival
Sun, Jun 21, 12:00 PM
New York · Eldridge Street between Canal & Division Streets
25th Annual Egg Rolls, Egg Creams & Empanadas Street Festival
Sun, Jun 21, 12:00 PM
New York · Eldridge Street between Canal & Division Streets
Lunar Faire Night Market 6/27: 90s in East Brunswick
Sat, Jun 27, 5:00 PM
East Brunswick · Middlesex County Fairgrounds
Lunar Faire Night Market 6/27: 90s in East Brunswick
Sat, Jun 27, 5:00 PM
East Brunswick · Middlesex County Fairgrounds
Almost full
Cairo to Cartagena - Festival ( Including Esseily)
Tomorrow at 1:00 PM
Queens · Culture Lab LIC
Almost full
Cairo to Cartagena - Festival ( Including Esseily)
Tomorrow at 1:00 PM
Queens · Culture Lab LIC

Trends in Mountainside

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Frequently asked questions about Mountainside

What are the best festival events to attend?

According to Eventbrite, the best festival events are:

FREE COMMUNITY EVENT: Juneteenth Freedom Experience 2026

STEAM Around the Square

BlackNic presents... "Sunkissed Summer"

Roc-A-Natural 3rd Annual Arts In The Park at Tappen Park

Which events are currently trending in Mountainside?

The trending searches this month in Mountainside are:

stage house tavern

Which festival events are coming up?

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

Urban League of Hudson County, Inc. - Teacher Appreciation Celebration

Cairo to Cartagena - Festival ( Including Esseily)

Patria, The Town of Cain and Abel

Spring Dog Parade at North Park