When browsing, remember that you can filter offerings based on location, program area, day of the week, dates, and even age of participant! We encourage you to use the search function if you're looking for something more specific.

Fall Programs: September 8 - December 20

Fall programs are here! Our Fall Program Session will run from September 8 - December 20. With rolling program registration and monthly billing, participants may join in on the fun at any time during the session as space allows.

Coaching Session

Our wellness instructors are here for you; whether you need help getting started, a refreshed program as boredom is setting in or you have decided ...More

Our wellness instructors are here for you; whether you need help getting started, a refreshed program as boredom is setting in or you have decided to train for your first marathon, we can and will help. 

During your Coaching session you will be walked through all aspects of living a healthy life and leave with a clear program for success.  The goals are yours and the program is yours.  Typical orientations include the following components:

  • General introduction to the facility
  • Discussion around possible health concerns
  • Goal setting; short and long term
  • Warming up
  • Flexibility work
  • Cardiovascular training
  • Resistance training
  • Cooling down
  • Reducing stress
  • Program review

Our wellness instructors are always available to change, amend, or refresh your program whenever you need them to.  For more information or to make an appointment at the Seacoast YMCA in Portsmouth at 603-431-2334 and ask for Maggie Walsh-Lazzaro

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Starter Coaching Sessions

YMCA of the Seacoast

2/1/2026 to 12/31/9999

Sun to Sat

Times Vary

All Ages

A/Water Discovery: Parent Child

Adults accompany children in Stage A, which introduces infants and toddlers to the aquatic environment through exploration and encourages them to e...More

Adults accompany children in Stage A, which introduces infants and toddlers to the aquatic environment through exploration and encourages them to enjoy themselves while learning about the water.

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A/Water Discovery: Adult & Child

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

9:00 AM to 9:30 AM

6m to 1y 6m

Online Registration 8/31/2026 to 12/20/2026

A-B/Water Discovery & Exploration

Adults accompany children in Stage A/B, which introduces infants and toddlers to the aquatics environment through exploration and encourages them t...More

Adults accompany children in Stage A/B, which introduces infants and toddlers to the aquatics environment through exploration and encourages them to enjoy themselves while learning about the water.  Children also explore body positions, floating, blowing bubbles, and fundamental safety and aquatics skills.

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Wait List
A-B/Water Discovery & Exploration: Adult & Child

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

10:10 AM to 10:40 AM

6m to 3y 11m

Online Registration 8/31/2026 to 12/20/2026

A-B/Water Discovery & Exploration: Adult & Child

YMCA of the Seacoast

9/8/2026 to 12/15/2026

Tue

5:10 PM to 5:40 PM

6m to 3y 11m

Online Registration 8/31/2026 to 12/20/2026

A-B/Water Discovery & Exploration: Adult & Child

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

10:50 AM to 11:20 AM

6m to 3y 11m

Online Registration 8/31/2026 to 12/20/2026

B/Water Exploration: Parent Child

In Stage B, adults work with their children to explore body positions, floating, blowing bubbles, and fundamental safety and aquatic skills.

B/Water Exploration: Adult & Child

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

9:35 AM to 10:05 AM

1y 7m to 3y 11m

Online Registration 8/31/2026 to 12/20/2026

1/Water Acclimation: Preschool

Students develop comfort with underwater exploration and learn to safely exit in the event of falling into a body of water.  This stage lays the fo...More

Students develop comfort with underwater exploration and learn to safely exit in the event of falling into a body of water.  This stage lays the foundation that allows for a student's future progress in swimming.

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Wait List
Swim Basics: Stage 1 - Preschool

YMCA of the Seacoast

9/14/2026 to 12/14/2026

Mon

4:00 PM to 4:30 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stage 1 - Preschool

YMCA of the Seacoast

9/8/2026 to 12/15/2026

Tue

4:00 PM to 4:30 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stage 1 - Preschool

YMCA of the Seacoast

9/9/2026 to 12/16/2026

Wed

3:40 PM to 4:10 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Inactive
Swim Basics: Stage 1 - Preschool

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

11:25 AM to 11:55 AM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stage 1 - Preschool

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

9:15 AM to 9:45 AM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stage 1 - Preschool

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

4:05 PM to 4:35 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

1/Water Acclimation: School-Age

For children aged 6+.  Students develop comfort with underwater exploration and learn to safely exit in the event of falling into a body of water. ...More

For children aged 6+.  Students develop comfort with underwater exploration and learn to safely exit in the event of falling into a body of water.  This stage lays the foundation that allows for a student's future progress in swimming.

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Swim Basics: Stage 1 - School-Age

YMCA of the Seacoast

9/14/2026 to 12/14/2026

Mon

4:35 PM to 5:05 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Inactive
Swim Basics: Stage 1 - School-Age

YMCA of the Seacoast

9/8/2026 to 12/15/2026

Tue

4:35 PM to 5:05 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Inactive
Swim Basics: Stage 1 - School-Age

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

10:25 AM to 10:55 AM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Inactive
Swim Basics: Stage 1 - School-Age

YMCA of the Seacoast

9/9/2026 to 12/16/2026

Wed

4:50 PM to 5:20 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Inactive
Swim Basics: Stage 1 - School-Age

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

4:50 PM to 5:20 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Preschool Stages 2-3

Stages 2-3 Combo Class for ages 3-6 where students focus on body position and control, directional change, and forward movement in the water, breat...More

Stages 2-3 Combo Class for ages 3-6 where students focus on body position and control, directional change, and forward movement in the water, breath control and stamina.  Should be able to submerge on request and float comfortably with assistance, and swim a very short distance.

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Wait List
Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

9/14/2026 to 12/14/2026

Mon

4:00 PM to 4:30 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

9/8/2026 to 12/15/2026

Tue

4:00 PM to 4:30 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

9/9/2026 to 12/16/2026

Wed

4:15 PM to 4:45 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

9:50 AM to 10:20 AM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Inactive
Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

12:00 PM to 12:30 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

4:05 PM to 4:35 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stages 2-3 - Preschool

YMCA of the Seacoast

10/1/2026 to 12/17/2026

Thu

4:40 PM to 5:10 PM

3y to 6y 11m

Online Registration 8/31/2026 to 12/20/2026

School Age Stages 2-3

Stages 2-3 Combo Class for children aged 6+ where students focus on body position and control, directional change, and forward movement in the wate...More

Stages 2-3 Combo Class for children aged 6+ where students focus on body position and control, directional change, and forward movement in the water, breath control and stamina.  Should be able to submerge on request, float comfortably with assistance, and swim a very short distance.

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Wait List
Swim Basics: Stages 2-3 - School-Age

YMCA of the Seacoast

9/14/2026 to 12/14/2026

Mon

4:35 PM to 5:05 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stages 2-3 - School-Age

YMCA of the Seacoast

9/8/2026 to 12/15/2026

Tue

4:35 PM to 5:05 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Basics: Stages 2-3 - School-Age

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

11:00 AM to 11:30 AM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stages 2-3 - School-Age

YMCA of the Seacoast

9/9/2026 to 12/16/2026

Wed

5:25 PM to 5:55 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stages 2-3 - School-Age

YMCA of the Seacoast

9/10/2026 to 12/17/2026

Thu

5:25 PM to 5:55 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Basics: Stages 2-3 - School-Age

YMCA of the Seacoast

10/7/2026 to 12/16/2026

Wed

4:50 PM to 5:20 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

4/Stroke Introduction: School-Age

For children aged 6+ that have completed Stage 3: Water Stamina.  Students should be able to swim 25 yards independently using the swim-float-swim ...More

For children aged 6+ that have completed Stage 3: Water Stamina.  Students should be able to swim 25 yards independently using the swim-float-swim skillset demonstrating rhythmic breathing and tread water for one minute.  Children will be introduced to technique in basic competitive strokes.  Water safety will be reinforced through treading water and elementary backstroke.

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Swim Strokes: Stage 4 - School-Age

YMCA of the Seacoast

9/14/2026 to 12/14/2026

Mon

5:10 PM to 5:55 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Strokes: Stage 4 - School-Age

YMCA of the Seacoast

9/8/2026 to 12/15/2026

Tue

5:10 PM to 5:55 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Wait List
Swim Strokes: Stage 4 - School-Age

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

10:45 AM to 11:30 AM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Strokes: Stage 4 - School-Age

YMCA of the Seacoast

10/1/2026 to 12/17/2026

Thu

4:40 PM to 5:25 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

School Age Stages 5-6

For intermediate to advanced swimmers aged 6+ that have completed Stage 4: Stroke Introduction.  Students should be able to swim 25-50 yards of fro...More

For intermediate to advanced swimmers aged 6+ that have completed Stage 4: Stroke Introduction.  Students should be able to swim 25-50 yards of front and back crawl well and know the basics of breaststroke and dolphin kick.  Further stroke development for the 4 competitive strokes will be practiced as well as some fun skills like diving and flip turns.

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Swim Strokes: Stages 5-6 - School-Age

YMCA of the Seacoast

9/14/2026 to 12/14/2026

Mon

5:10 PM to 5:55 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Swim Strokes: Stages 5-6 - School-Age

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

11:35 AM to 12:20 PM

6y to 12y 11m

Online Registration 8/31/2026 to 12/20/2026

Teen and Adult Swim Lessons

This class is designed for beginner adults looking to become stronger in the water and work towards lap swimming as a goal.  Front crawl and breath...More

This class is designed for beginner adults looking to become stronger in the water and work towards lap swimming as a goal.  Front crawl and breathing will be a strong focus as well as swimming on the back.  Breaststroke will also be introduced.

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Teen and Adult Beginner

YMCA of the Seacoast

9/12/2026 to 12/19/2026

Sat

11:35 AM to 12:20 PM

Age 13y and up

Online Registration 8/31/2026 to 12/20/2026

Teen and Adult Intermediate

YMCA of the Seacoast

10/2/2026 to 12/18/2026

Fri

5:45 PM to 6:30 PM

13y and up

Online Registration 8/31/2026 to 12/20/2026

Kids' Night Out!

The kids are taking over the Y!  Welcome to KNO, where kids ages 3 to 12 years get to take a night out and play with their friends for a while.  Wi...More

The kids are taking over the Y!  Welcome to KNO, where kids ages 3 to 12 years get to take a night out and play with their friends for a while.  With different themes and activities each month, this is sure to be a great time!  Did we mention dinner is included and it's all included with your membership?  So, tell the family you're going to the Y for Kids' Night Out, and we'll see you there!

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Kids' Night Out! Monster Mash

YMCA of the Seacoast

10/23/2026 to 10/23/2026

Fri

5:00 PM to 8:00 PM

3y to 12y 11m

Online Registration 10/2/2026 to 10/22/2026

Kids' Night Out! Harvest Festival

YMCA of the Seacoast

11/13/2026 to 11/13/2026

Fri

5:00 PM to 8:00 PM

3y to 12y 11m

Online Registration 10/16/2026 to 11/12/2026

Teen Leaders Club

Calling all teens who want to make a positive impact!  Leaders Club, a nationally recognized Y program, is a great opportunity to have fun and buil...More

Calling all teens who want to make a positive impact!  Leaders Club, a nationally recognized Y program, is a great opportunity to have fun and build a community with your peers, learn leadership skills, serve the community and Y programs through volunteer opportunities, enjoy health and wellness activities, and even travel for retreats and conferences!  Our club meets on a weekly basis and is FREE to Y members!  (Some costs associated with travel opportunities.)

For more information on participating in Leaders Club, please reach out to Ashley Braffett at [email protected].

The Greenland Leaders Club meets on Mondays, 5:00pm-6:00pm throughout the school year.  Meetings are in person at Camp Gundalow, 176 Tuttle Ln, Greenland, NH 03840.

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Leaders Club in Greenland

YMCA of the Seacoast

10/5/2026 to 5/7/2027

Mon

5:00 PM to 6:00 PM

12y to 18y 11m

Online Registration 8/24/2026 to 5/1/2027