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Community Events and Things to do in Mountainside, NJ

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Antique & Vintage Show - Vendor Registration Only
Saturday at 8:00 AM
Wall Township · The Historic Village at Allaire
Antique & Vintage Show - Vendor Registration Only
Saturday at 8:00 AM
Wall Township · The Historic Village at Allaire
Caribbean link up
Sat, May 30, 10:00 PM
Trenton · 1240 Martin Luther King Jr Blvd
Caribbean link up
Sat, May 30, 10:00 PM
Trenton · 1240 Martin Luther King Jr Blvd
Caribbean American Family and Community Day
Sun, Jul 26, 1:00 PM
Garden City · Nassau Community College
Caribbean American Family and Community Day
Sun, Jul 26, 1:00 PM
Garden City · Nassau Community College
Bear Mountain Native American Celebration
Sat, Jul 11, 11:00 AM
Bear Mountain · Anthony Wayne Recreation Area
Bear Mountain Native American Celebration
Sat, Jul 11, 11:00 AM
Bear Mountain · Anthony Wayne Recreation Area
Phantom Fest VENDOR Link
Sat, Jul 25, 9:00 AM
Plumsted · New Egypt Historical Society
Phantom Fest VENDOR Link
Sat, Jul 25, 9:00 AM
Plumsted · New Egypt Historical Society
Moonlight Market: Long Island
Sat, Jun 6, 4:00 PM
Syosset · Long Island Sports Hub
Moonlight Market: Long Island
Sat, Jun 6, 4:00 PM
Syosset · Long Island Sports Hub
International Cultural Festival - Poconos
Sun, Jun 14, 12:00 PM
East Stroudsburg · Dansbury Park
International Cultural Festival - Poconos
Sun, Jun 14, 12:00 PM
East Stroudsburg · Dansbury Park
Bristol Italian Fest Day 2
Sat, Sep 12, 12:00 PM
Bristol · Bristol Wharf
Bristol Italian Fest Day 2
Sat, Sep 12, 12:00 PM
Bristol · Bristol Wharf
BRISTOL ITALIAN FESTIVAL- First Night
Fri, Sep 11, 6:00 PM
Bristol · Bristol Wharf
BRISTOL ITALIAN FESTIVAL- First Night
Fri, Sep 11, 6:00 PM
Bristol · Bristol Wharf
5th Annual Sea Glass Festival @ The Whaling Museum & Education Center
Sun, Jul 12, 10:00 AM
Cold Spring Harbor · The Whaling Museum & Education Center of Cold Spring Harbor
5th Annual Sea Glass Festival @ The Whaling Museum & Education Center
Sun, Jul 12, 10:00 AM
Cold Spring Harbor · The Whaling Museum & Education Center of Cold Spring Harbor
NAACP Juneteenth Celebration
Fri, Jun 19, 8:00 PM
Stamford · Elks Lodge
NAACP Juneteenth Celebration
Fri, Jun 19, 8:00 PM
Stamford · Elks Lodge
Off-Main Experience 2026: Stamford
Thu, Jun 11, 5:00 PM + 2 more
Stamford · TheSeed.CT
Off-Main Experience 2026: Stamford
Thu, Jun 11, 5:00 PM + 2 more
Stamford · TheSeed.CT
Almost full
BORINQUEN HERITAGE FEST 2026!!!!
Sun, Jun 7, 11:00 AM
Staten Island · Snug Harbor Cultural Center & Botanical Garden
Almost full
BORINQUEN HERITAGE FEST 2026!!!!
Sun, Jun 7, 11:00 AM
Staten Island · Snug Harbor Cultural Center & Botanical Garden
From Revolution to Reflection: Flag Day at the Ross Farm
Sat, Jun 13, 11:30 AM
Basking Ridge · The Ross Farm
From Revolution to Reflection: Flag Day at the Ross Farm
Sat, Jun 13, 11:30 AM
Basking Ridge · The Ross Farm
6th Annual Juneteenth Freedom Festival
Sat, Jun 20, 2:00 PM
Staten Island · Snug Harbor Cultural Center & Botanical Garden
6th Annual Juneteenth Freedom Festival
Sat, Jun 20, 2:00 PM
Staten Island · Snug Harbor Cultural Center & Botanical Garden
Annual Juneteenth Buy up the Block Party and Pop-up Shop
Sat, Jun 27, 1:00 PM
Woodbridge Township · Samuel Lupo Place
Annual Juneteenth Buy up the Block Party and Pop-up Shop
Sat, Jun 27, 1:00 PM
Woodbridge Township · Samuel Lupo Place
Westfield Street Fair & Craft Show NJ (Spring)
Sat, Jun 6, 11:00 AM
Westfield · South Avenue West & Boulevard
Westfield Street Fair & Craft Show NJ (Spring)
Sat, Jun 6, 11:00 AM
Westfield · South Avenue West & Boulevard
Good Neighbors Festival
Sat, May 30, 10:00 AM
Newark · 35 Treat Pl
Good Neighbors Festival
Sat, May 30, 10:00 AM
Newark · 35 Treat Pl
The Township of Bloomfield 6th Annual Juneteenth Celebration
Sat, Jun 13, 11:00 AM
Bloomfield · Street Festival
The Township of Bloomfield 6th Annual Juneteenth Celebration
Sat, Jun 13, 11:00 AM
Bloomfield · Street Festival
Sales end soon
Staten Island Pride Festival 2026
Sat, May 30, 12:00 PM
Staten Island · Snug Harbor Cultural Center & Botanical Garden
Sales end soon
Staten Island Pride Festival 2026
Sat, May 30, 12:00 PM
Staten Island · Snug Harbor Cultural Center & Botanical Garden

Trends in Mountainside

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Explore more trends

Frequently asked questions about Mountainside

What are the best festival events to attend?

According to Eventbrite, the best festival events are:

Caribbean American Family and Community Day

Bear Mountain Native American Celebration

Phantom Fest VENDOR Link

Moonlight Market: Long Island

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:

Antique & Vintage Show - Vendor Registration Only

Good Neighbors Festival

Staten Island Pride Festival 2026

Caribbean link up