Things to Do Today in Ronkonkoma, NY

Find events and activities happening today in Ronkonkoma, NY. Updated daily with the latest local happenings.

50 results found · Updated 2026-04-16

Things to Do This Weekend Kid-Friendly Free Events Date Night Outdoors Concerts & Live Music Food & Dining Fitness & Sports Arts & Culture

Photo by Andy Quezada on Unsplash — representative image for Sachem Teen Volunteers: Nutrition for Health

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KidsFree

Sachem Teen Volunteers: Nutrition for Health

Thu, Apr 16, 8:00 PM–9:00 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Getty Images on Unsplash — representative image for 1,2, 3 Play With Me (16-36 m)

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KidsFree

1,2, 3 Play With Me (16-36 m)

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–3:00 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Saung Digital on Unsplash — representative image for Sachem Public Library

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Sachem Public Library

Sachem Public Library · 150 Holbrook Road, Holbrook, NY

Library Program in Holbrook, NY

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Free

Excel Logic Functions

Thu, Apr 16, 11:00 PM–12:30 AM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Alexandra Tran on Unsplash — representative image for Weather Wonders Storycraft (2-5 years)

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KidsFree

Weather Wonders Storycraft (2-5 years)

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–2:30 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Samuel Myles on Unsplash — representative image for Connetquot Public Library

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Connetquot Public Library

Connetquot Public Library · 760 Ocean Avenue, Bohemia, NY

Library Program in Bohemia, NY

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Photo by Saung Digital on Unsplash — representative image for Book Time with a Dog 6:50pm-7:10pm (Grades 1-5)

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KidsFree

Book Time with a Dog 6:50pm-7:10pm (Grades 1-5)

Thu, Apr 16, 10:30 PM–11:30 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Rina Kemppainen on Unsplash — representative image for Murder Among Friends (In Person) - Original Sins

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Kids

Murder Among Friends (In Person) - Original Sins

Thu, Apr 16, 8:00 PM–9:30 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Adrien Olichon on Unsplash — representative image for Hauppauge Public Library

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Hauppauge Public Library

Hauppauge Public Library · 1373 Veterans Memorial Hwy., Hauppauge, NY

Library Program in Hauppauge, NY

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Knit and Crochet (In Person)

Thu, Apr 16, 4:00 PM–5:30 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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EVENING MOVIE (In Person) - Wicked For Good

Thu, Apr 16, 10:00 PM–12:00 AM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Keisha Kim on Unsplash — representative image for Middle Country Public Library - Centereach

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Middle Country Public Library - Centereach

Middle Country Public Library - Centereach · 101 Eastwood Boulevard, Centereach, NY

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AFTERNOON MOVIE (In Person) - Wicked For Good

Thu, Apr 16, 5:30 PM–7:30 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Social Work Intern (In-Person)

Thu, Apr 16, 5:00 PM–12:00 AM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Kateryna Hliznitsova on Unsplash — representative image for Middle Country Public Library - Selden

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KidsFreeOutdoor

Middle Country Public Library - Selden

Middle Country Public Library - Selden · 575 Middle Country Road, Selden, NY

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Picture This!

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–4:00 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Friends Luncheon Committee Meeting (In Person)

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–4:00 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by WISS Shanghai on Unsplash — representative image for The Smithtown Library - Nesconset Branch

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The Smithtown Library - Nesconset Branch

The Smithtown Library - Nesconset Branch · 148 Smithtown Boulevard, Nesconset, NY

Library Program in Nesconset, NY

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Senior Advocate (In Person)

Thu, Apr 16, 5:00 PM–8:00 PM UTC · Sachem Public Library · 150 Holbrook Rd, Holbrook, NY

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Photo by Armin Narimani on Unsplash — representative image for Family Residences and Essential Enterprises

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Kids

Family Residences and Essential Enterprises

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–4:00 PM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Photo by Bovia & Co. Photography on Unsplash — representative image for Nesconset Farmers Market

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Nesconset Farmers Market

Nesconset Farmers Market · 127 Smithtown Blvd, Nesconset, NY

Farmers Market in Nesconset, NY

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Photo by corey oconnell on Unsplash — representative image for Sprouts & Friends (Babies- 5 yrs. w/ caregiver)

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Free

Sprouts & Friends (Babies- 5 yrs. w/ caregiver)

Thu, Apr 16, 5:00 PM–5:45 PM UTC · Emma S. Clark Memorial Library · 120 Main Street, Setauket, NY

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Photo by Piyanshu Sharma on Unsplash — representative image for Wiggles & Beats

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KidsFree

Wiggles & Beats

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–2:45 PM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY · Ages 18+

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Photo by Jessie Maxwell on Unsplash — representative image for TopGolf Long Island - Holtsville

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Outdoor

TopGolf Long Island - Holtsville

TopGolf Long Island - Holtsville · 5231 Express Dr N, Holtsville, NY

Golf in Holtsville, NY

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Linda's Book Club

Thu, Apr 16, 3:30 PM–6:00 PM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Recovery International

Thu, Apr 16, 11:30 PM–1:00 AM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Photo by Aleksandra Sapozhnikova on Unsplash — representative image for Urban Air Lake Grove

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Outdoor

Urban Air Lake Grove

Urban Air Lake Grove · 3147 Middle Country Rd, Lake Grove, NY

Outdoor Space in Lake Grove, NY

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Photo by Samiul Haque Bhuyan on Unsplash — representative image for DIY Tote Bag

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DIY Tote Bag

Thu, Apr 16, 8:15 PM–9:15 PM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Photo by Adrien Olichon on Unsplash — representative image for Cricut: Tote Bag [LOTTERY]

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Free

Cricut: Tote Bag [LOTTERY]

Thu, Apr 16, 10:00 PM–12:00 AM UTC · Emma S. Clark Memorial Library · 120 Main Street, Setauket, NY

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Photo by Adrià García Sarceda on Unsplash — representative image for LI Escape Game

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KidsOutdoor

LI Escape Game

LI Escape Game · 718 Portion Rd Ronkonkoma, NY 11779, New York, NY

Escape Room in New York, NY

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Photo by Declan Sun on Unsplash — representative image for The American Experience: American Artists Through Our History

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Free

The American Experience: American Artists Through Our History

Thu, Apr 16, 11:00 PM–12:30 AM UTC · Emma S. Clark Memorial Library · 120 Main Street, Setauket, NY

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Floral Impressions on Ceramics – Acrylic Painting Workshop

Thu, Apr 16, 10:30 PM–12:30 AM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Photo by Obed Hernández on Unsplash — representative image for Escape Zone Long Island

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KidsOutdoor

Escape Zone Long Island

Escape Zone Long Island · 872 Middle Country Rd. Saint James, NY 11780, New York, NY

Escape Room in New York, NY

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Relay for Life Plainview Old Bethpage

Thu, Apr 16, 11:00 PM–1:00 AM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Photo by Stacie Ong on Unsplash — representative image for Board of Elections: Introducing New Voting Machines

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Free

Board of Elections: Introducing New Voting Machines

Starts in 12 hrs · Thu, Apr 16, 2:00 PM–11:00 PM UTC · Emma S. Clark Memorial Library · 120 Main Street, Setauket, NY

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Photo by Samuel Myles on Unsplash — representative image for Emma S. Clark Memorial Library

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Emma S. Clark Memorial Library

Emma S. Clark Memorial Library · 120 Main Street, Setauket, NY

Library Program in Setauket, NY

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Women's Connections

Thu, Apr 16, 5:00 PM–7:00 PM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Friendship Circle

Thu, Apr 16, 9:00 PM–11:00 PM UTC · Plainview-Old Bethpage Public Library · 999 Old Country Road, Plainview, NY

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Photo by Jayanth Muppaneni on Unsplash — representative image for Oyster Bay-East Norwich Public Library

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Oyster Bay-East Norwich Public Library

Oyster Bay-East Norwich Public Library · 89 East Main Street, Oyster Bay, NY

Library Program in Oyster Bay, NY

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Social Work Intern Appointments

Thu, Apr 16, 7:00 PM–11:00 PM UTC · Emma S. Clark Memorial Library · 120 Main Street, Setauket, NY

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Photo by NEXA BLACK on Unsplash — representative image for Stretch Fusion with Debbie Krzyminski

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Free

Stretch Fusion with Debbie Krzyminski

Thu, Apr 16, 5:30 PM–6:30 PM UTC · Levittown Public Library · 1 Bluegrass Ln, Levittown, NY

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Photo by Andrej Lisakov on Unsplash — representative image for South Huntington Public Library

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South Huntington Public Library

South Huntington Public Library · 145 Pidgeon Hill Road, Huntington Station, NY

Library Program in Huntington Station, NY

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Photo by sun hx on Unsplash — representative image for Podcast Club

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Podcast Club

Thu, Apr 16, 7:30 PM–8:30 PM UTC · Brentwood Public Library · 34 2nd Ave, Brentwood, NY

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Photo by Keren Fedida on Unsplash — representative image for Microsoft Excel Para El Trabajo: Herramientas Y Estrategias

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Free

Microsoft Excel Para El Trabajo: Herramientas Y Estrategias

Thu, Apr 16, 10:30 PM–12:00 AM UTC · Brentwood Public Library · 34 2nd Ave, Brentwood, NY

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Photo by Jayanth Muppaneni on Unsplash — representative image for The Smithtown Library

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The Smithtown Library

The Smithtown Library · 1 North Country Road, Smithtown, NY

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Photo by National Cancer Institute on Unsplash — representative image for Virtual Writing Workshop: How to Maximize a Scene or Chapter with Erin Coughlin

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Virtual Writing Workshop: How to Maximize a Scene or Chapter with Erin Coughlin

Thu, Apr 16, 11:00 PM–1:00 AM UTC · Syosset Public Library · 225 S Oyster Bay Rd, Syosset, NY

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In-person: Richard Burton with Marc Courtade

Thu, Apr 16, 6:00 PM–7:00 PM UTC · Syosset Public Library · 225 S Oyster Bay Rd, Syosset, NY

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Photo by Keisha Kim on Unsplash — representative image for Harborfields Public Library

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Harborfields Public Library

Harborfields Public Library · 31 Broadway, Greenlawn, NY

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Long Island Coin club

Thu, Apr 16, 10:00 PM–1:00 AM UTC · Syosset Public Library · 225 S Oyster Bay Rd, Syosset, NY

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Photo by Jonathan Marchant on Unsplash — representative image for NY State of Health Navigator/Navegador del estado de salud de Nueva York

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Kids

NY State of Health Navigator/Navegador del estado de salud de Nueva York

Starts in 12 hrs · Thu, Apr 16, 1:30 PM–9:00 PM UTC · Brentwood Public Library · 34 2nd Ave, Brentwood, NY

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Things to Do Today in Ronkonkoma, NY

Sachem Teen Volunteers: Nutrition for Health

1,2, 3 Play With Me (16-36 m)

Sachem Public Library

Excel Logic Functions

Weather Wonders Storycraft (2-5 years)

Connetquot Public Library

Book Time with a Dog 6:50pm-7:10pm (Grades 1-5)

Murder Among Friends (In Person) - Original Sins

Hauppauge Public Library

Knit and Crochet (In Person)

EVENING MOVIE (In Person) - Wicked For Good

Middle Country Public Library - Centereach

AFTERNOON MOVIE (In Person) - Wicked For Good

Social Work Intern (In-Person)

Middle Country Public Library - Selden

Picture This!

Friends Luncheon Committee Meeting (In Person)

The Smithtown Library - Nesconset Branch

Senior Advocate (In Person)

Family Residences and Essential Enterprises

Nesconset Farmers Market

Sprouts & Friends (Babies- 5 yrs. w/ caregiver)

Wiggles & Beats

TopGolf Long Island - Holtsville

Linda's Book Club

Recovery International

Urban Air Lake Grove

DIY Tote Bag

Cricut: Tote Bag [LOTTERY]

LI Escape Game

The American Experience: American Artists Through Our History

Floral Impressions on Ceramics – Acrylic Painting Workshop

Escape Zone Long Island

Relay for Life Plainview Old Bethpage

Board of Elections: Introducing New Voting Machines

Emma S. Clark Memorial Library

Women's Connections

Friendship Circle

Oyster Bay-East Norwich Public Library

Social Work Intern Appointments

Stretch Fusion with Debbie Krzyminski

South Huntington Public Library

Podcast Club

Microsoft Excel Para El Trabajo: Herramientas Y Estrategias

The Smithtown Library

Virtual Writing Workshop: How to Maximize a Scene or Chapter with Erin Coughlin

In-person: Richard Burton with Marc Courtade

Harborfields Public Library

Long Island Coin club

NY State of Health Navigator/Navegador del estado de salud de Nueva York

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