Upcoming Events

Featured Events

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Age Group
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This event is in the "Teens" group

Rock Painting

4:00pm–5:00pm
Teens
Mastic Beach Branch
Open
Registration Required
Registration will close on March 9, 2026 @ 3:30pm.
Library Branch: Mastic Beach Branch
Room: CPSD Program Room Mastic Beach
Age Group: Teens
Program Type: Community Service
Registration Required
Event Details:

Use paints, dotting tools, and paint markers to create original designs for your garden or flower pots, or to add to our community service rock garden.  Students in grades 6 through 12 can earn one hour of community service with a valid MMS l

This event is in the "Teens" group

Star Wars RPG

6:00pm–8:00pm
Teens
Mastic Beach Branch
Open
Registration Required
Registration will close on March 9, 2026 @ 5:30pm.
Library Branch: Mastic Beach Branch
Room: Adult Program Room
Age Group: Teens
Program Type: Fun & Games
Registration Required
Event Details:

Adventure across a galaxy far, far away in this stellar tabletop game!

This event is in the "Teens" group

Tissue Paper Flowers

5:00pm–6:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 10, 2026 @ 4:30pm.
Library Branch: Main Library
Room: Community Room B
Age Group: Teens
Program Type: Community Service
Registration Required
Event Details:

Help decorate the library by getting it ready for the spring season! Earn 1 hour of community service. For teens in grades 6 through 12 with a valid MMS library card. 

This event is in the "Teens" group

Mario Kart Racing IRL

6:00pm–7:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 10, 2026 @ 5:30pm.
Library Branch: Main Library
Room: Teen Area
Age Group: Teens
Program Type: Fun & Games
Registration Required
Event Details:

Start your engines racers! Race cars throughout the Teen Department in an epic tournament!

This event is in the "Teens" group

Advanced Battle of the Books

7:00pm–8:30pm
Teens
Main Library
Open
Registration Required
Registration will close on March 12, 2026 @ 6:30pm.
Library Branch: Main Library
Room: Teen Area
Age Group: Teens
Program Type: Books & Reading, Fun & Games
Registration Required
Event Details:

Do you have an interest in reading and trivia? Advanced Battle of the Books is a county-wide competition for teens in grades 9 through 12. We will compete with other Suffolk County libraries in the Spring. 

This event is in the "Teens" group

Teen Writers

4:00pm–5:00pm
Teens
Mastic Beach Branch
Open
Registration Required
Registration will close on March 11, 2026 @ 3:30pm.
Library Branch: Mastic Beach Branch
Room: CPSD Program Room Mastic Beach
Age Group: Teens
Program Type: Writing
Registration Required
Event Details:

Grab a prompt, write a story, and share it with the group or keep it for yourself.

This event is in the "Teens" group

Peter Pan - Rehearsal

4:30pm–6:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 11, 2026 @ 4:30pm.
Library Branch: Main Library
Room: Community Room A+B
Age Group: Teens
Program Type: Community Service, Theater
Registration Required
Event Details:

Help us put on our production of the classic play Peter Pan for the children’s department!
Rehearsals will count as one hour of community service each. Speak to Mr. Kyle in the Teen Department if you'd like to join!

This event is in the "Teens" group

Cards for Hospitalized Kids

5:00pm–6:00pm
Teens
Moriches Branch
Open
Registration Required
Registration will close on March 11, 2026 @ 4:30pm.
Library Branch: Moriches Branch
Room: Teen Room 1L
Age Group: Teens
Program Type: Community Service
Registration Required
Event Details:

Earn one hour of community service by designing cards for hospitalized kids. For students entering grades 6 through 12 with a valid MMS library card. 

This event is in the "Teens" group

Art Club

6:00pm–7:00pm
Teens
Main Library
Library Branch: Main Library
Room: Maker Space (Combined)
Age Group: Teens
Program Type: Arts & Crafts
Event Details:

Draw, paint, sketch and explore art with Mr. Casper. This is a drop-in program.

This event is in the "Teens" group

Yarn Bracelets

4:00pm–5:00pm
Teens
Moriches Branch
Open
Registration Required
Registration will close on March 12, 2026 @ 3:30pm.
Library Branch: Moriches Branch
Room: Teen Room 1L
Age Group: Teens
Program Type: Arts & Crafts
Registration Required
Event Details:

Create a macrame bracelet to take home. 

This event is in the "Teens" group

Advanced Battle of the Books

6:30pm–8:30pm
Teens
Main Library
Open
Registration Required
Registration will close on March 12, 2026 @ 6:30pm.
Library Branch: Main Library
Room: Teen Area
Age Group: Teens
Program Type: Books & Reading, Fun & Games
Registration Required
Event Details:

Do you have an interest in reading and trivia? Advanced Battle of the Books is a county-wide competition for teens in grades 9 through 12. We will compete with other Suffolk County libraries in the Spring. 

This event is in the "Teens" group

Advanced Battle of the Books Tournament

4:30pm–8:30pm
Teens
Off Site
Offsite Event
Library Branch: Off Site
Age Group: Teens
Program Type: Books & Reading
This event is in the "Teens" group
This event is in the "Adults" group

Boating Safety Course

9:00am–5:00pm
Teens, Adults
Moriches Branch
Open
Registration Required
Payment Required
Registration will close on March 13, 2026 @ 6:00pm.
Library Branch: Moriches Branch
Room: Adult Rooms Combined
Age Group: Teens, Adults
Program Type: Continuing Education
Registration Required
Payment Required
Event Details:

This Boating Safety Course offered by the US Coast Guard Auxiliary is an introductory course that fulfills Federal and NY State requirements to operate a personal watercraft and recreational vessel on NY waterways for ages 10 years and older.

This event is in the "Teens" group

Rock Painting

4:00pm–5:00pm
Teens
Mastic Beach Branch
Upcoming
Registration Required
Registration will open on March 9, 2026 @ 9:00am.
Library Branch: Mastic Beach Branch
Room: CPSD Program Room Mastic Beach
Age Group: Teens
Program Type: Community Service
Registration Required
Event Details:

Use paints, dotting tools, and paint markers to create original designs for your garden or flower pots, or to add to our community service rock garden.  Students in grades 6 through 12 can earn one hour of community service with a valid MMS l

This event is in the "Teens" group

Makerspace DIY Personalized Phone Wallet

4:30pm–6:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 16, 2026 @ 4:00pm.
Library Branch: Main Library
Room: Maker Space (Combined)
Age Group: Teens
Program Type: Arts & Crafts
Registration Required
Event Details:

Why carry a phone and a wallet? Lighten your load and combine them!

This event is in the "Teens" group

Make Cat & Dog Toys

4:00pm–5:00pm
Teens
Mastic Beach Branch
Upcoming
Registration Required
Registration will open on March 11, 2026 @ 9:00am.
Library Branch: Mastic Beach Branch
Room: CPSD Program Room Mastic Beach
Age Group: Teens
Program Type: Community Service
Registration Required
Event Details:

Make cat and dog toys that will be donated to the Brookhaven Animal Shelter. One hour of community service is available for students in grades 6 through 12 with a valid MMS library card. 

This event is in the "Teens" group

Peter Pan - Rehearsal

4:30pm–6:00pm
Teens
Main Library
Upcoming
Registration Required
Registration will open on March 11, 2026 @ 4:30pm.
Library Branch: Main Library
Room: Community Room A+B
Age Group: Teens
Program Type: Community Service, Theater
Registration Required
Event Details:

Help us put on our production of the classic play Peter Pan for the children’s department!
Rehearsals will count as one hour of community service each. Speak to Mr. Kyle in the Teen Department if you'd like to join!

This event is in the "Teens" group

Art Club

6:00pm–7:00pm
Teens
Main Library
Library Branch: Main Library
Room: Maker Space (Combined)
Age Group: Teens
Program Type: Arts & Crafts
Event Details:

Draw, paint, sketch and explore art with Mr. Casper. This is a drop-in program.

This event is in the "Teens" group

Retro Gaming

7:00pm–8:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 18, 2026 @ 6:30pm.
Library Branch: Main Library
Room: Teen Area
Age Group: Teens
Program Type: Fun & Games
Registration Required
Event Details:

Pretend it's the arcade days with some retro NES games on the Nintendo Switch! Eat snacks and try to get the highest score!

This event is in the "Teens" group

Teen Civics Club

4:00pm–5:00pm
Teens
Main Library
Upcoming
Registration Required
Registration will open on March 12, 2026 @ 9:00am.
Library Branch: Main Library
Room: Meeting Room 2
Age Group: Teens
Program Type: Community Service
Registration Required
Event Details:

Learn about our government and make an informational poster to display in the Teen Department. Earn one hour of community service. For students in grades 6 through 12 with a valid MMS library card. 

This event is in the "Teens" group

Scratch Art

4:00pm–5:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 20, 2026 @ 3:30pm.
Library Branch: Main Library
Room: Teen Area
Age Group: Teens
Program Type: Arts & Crafts
Registration Required
Event Details:

Relax and get creative with scratch art!

This event is in the "Teens" group

Mystery Video Game Tournament

1:00pm–4:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 21, 2026 @ 12:30pm.
Library Branch: Main Library
Room: Teen Area
Age Group: Teens
Program Type: Fun & Games
Registration Required
Event Details:

Think you’re a video game master? Put your skills to the test, as you won’t know which game you’re playing until you arrive for the tournament! The overall winner earns themselves a $20 Nintendo eShop Card!

This event is in the "Teens" group

Conversational English/Spanish

3:00pm–4:00pm
Teens
Main Library
Open
Registration Required
Registration will close on March 23, 2026 @ 2:30pm.
Library Branch: Main Library
Room: Meeting Room 2
Age Group: Teens
Program Type: Other
Registration Required
Event Details:

Learn and practice English/Spanish grammar/vocabulary. 

Aprende y practica tu gramática y vocabulario en inglés/español. 

This event is in the "Teens" group

American Revolution Bingo

4:00pm–5:00pm
Teens
Mastic Beach Branch
Open
Registration Required
Registration will close on March 23, 2026 @ 3:30pm.
Library Branch: Mastic Beach Branch
Room: CPSD Program Room Mastic Beach
Age Group: Teens
Program Type: Fun & Games
Registration Required
Event Details:

Sign up with a friend to win prizes at a historical Bingo game in honor of the upcoming 250th birthday of the U.S.