Kids' activities in Mount Sinai
1 activity in Mount Sinai · 47 more within 30 miles. Ages, schedule, and price up front - we link out to each provider.
Montessori Life of Mount Sinai
childcare · Mount Sinai
AgesPreschool and kindergarten; summer camp options
ScheduleFull-day with before/after care; 10-week summer camp half- or full-day
United Studios Progressive Martial Arts — Miller Place
martial arts · Miller Place · ~2 mi
AgesKids martial arts ages 4–12; also BJJ and kickboxing
ScheduleOngoing kids karate / progressive martial arts
PriceMembership special: 3 classes for $24.99 (promo); ongoing rates contact school (tryuskarate.com)
Theatre Three Dramatic Academy
theatre · Port Jefferson · ~3 mi
Ages6–17
ScheduleThree semesters/year (Fall, Winter/Spring, Summer); Musical Theatre Factory summer productions
PriceCreative Dramatics ages 6–8: $200 (10 classes); Teen Workshop ages 12–17: $250 (theatrethree.com)
School of Rock — Port Jefferson
music · Port Jefferson Station · ~3 mi
AgesRookies ages 6–7; Rock 101 ages 8–13; Performance ages 8–18
ScheduleWeekly private lessons + group rehearsals; show performances
PricePrivate lessons 30-min $60 / 45-min $75; Rookies $25/visit; camps e.g. Rookies $275 · Rock 101 $395 · themed camps ~$550–$595 (portjefferson-sor.pike13.com)
Comsewogue Public Library Kids Programs
library · Port Jefferson Station · ~3 mi
AgesStorytimes ages 3–PreK; school-age crafts and Minecraft programs
ScheduleOngoing early childhood and school-age events
PriceFree
One River School — Port Jefferson Kids Art
arts · Port Jefferson Station · ~3 mi
AgesArt Start ages 3–5; Art Shuffle / Focus grades K–2 and 3–5
ScheduleOngoing monthly classes
PriceKids classes $185 (site)
Kumon Math and Reading Center of Stony Brook
academic/STEM · East Setauket · ~4 mi
AgesPreschool through high school
ScheduleMon and Thu afternoon center hours (check)
Price$180/subject/mo + $80 registration + $30 materials
Gold Medal Gymnastics — Rocky Point
gymnastics · Rocky Point · ~4 mi
Ages3 months–18 years
ScheduleYear-round gymnastics classes
PriceAnnual registration $50/student or $70/family; tuition billed every 4-week term via portal (gmgc.com brochure)
Smithtown Aquatics Swim School
swim · Selden · ~5 mi
AgesSwim school all levels; competitive training ages 5–18
ScheduleGroup swim school Sun & Thu; private 30 or 60 min; year-round at SCCC facility
PriceFall/Winter 2026–27: Sunday season $958 · Thursday $988 · both days $1,767; private lessons from $110/hr or packages; 5% sibling discount (smithtownaquatics.com)
Plaster Kraze — Selden
arts · Selden · ~5 mi
AgesKids plaster craft; Mommy & Me; summer craft program
ScheduleWalk-ins, parties, special classes
Price$20 plaster painting walk-in; Family Craft Night $50; Art Birthday Party $250 (plasterkraze.com)
Three Village Lacrosse
sports · Setauket · ~5 mi
AgesYouth boys and girls lacrosse
ScheduleSeasonal club lacrosse
Town of Brookhaven Summer Fun Day Camp — Centereach
day camp · Centereach · ~6 mi
Ages6–11
ScheduleMon–Fri June 29–August 14 (example 2026); 8:00am–4:00pm; before/after care available
Price$275/week; all 7 weeks $1,925 or $1,820 advanced discount; early drop-off / late pick-up $55/week each
Goldfish Swim School — Centereach
swim · Centereach · ~6 mi
AgesInfants, toddlers, and older children
ScheduleYear-round weekly lessons
PriceFrom $36/lesson
Gold Medal Gymnastics — Centereach
gymnastics · Centereach · ~6 mi
Ages3 months–18 years
ScheduleYear-round gymnastics classes
PriceAnnual registration $50/student or $70/family; tuition billed every 4-week term via portal (gmgc.com brochure)
Middle Country Public Library Kids Programs
library · Centereach · ~6 mi
AgesTiny Songbirds, Storytime Yoga ages 2–5, Yoga Time K–5, and more
ScheduleOngoing kids calendar programs
PriceFree
Long Island Museum Kids & Family Programs
museum · Stony Brook · ~6 mi
AgesFamily programs and youth education
ScheduleOngoing museum programs on the Stony Brook campus
PriceGeneral admission: adults $15 · students 6–17 $10 · under 6 free; free after 5pm Thursdays; dual/family membership $95/yr (longislandmuseum.org)
North Shore Montessori School
childcare · Stony Brook · ~6 mi
AgesPreschool and primary children
ScheduleSchool-year Montessori program
Smithtown Summer Camp at The Knox School
day camp · St. James · ~8 mi
Ages4–16 (Early through Upper Camp + CIT 14–16)
ScheduleMon–Fri 9am–4pm; 8 weeks Jun 29–Aug 21 2026; before/after care available
PriceTuition includes lunch/snacks/swim; before/after care extra (rates on site)
Urban Air Adventure Park — Lake Grove
sports · Lake Grove · ~8 mi
AgesFamily attractions for kids and teens
ScheduleOpen-play hours vary by day
PriceUnlimited Play membership from ~$49.99/mo (promo pricing on site)
Urban Air Lake Grove Kids Adventure Play
indoor play · Lake Grove · ~8 mi
AgesKids and family open play
SchedulePark hours posted on location page
PriceUnlimited Play membership from ~$49.99/mo (promo pricing on site)
Gym-Nest Gymnastics
gymnastics · Medford · ~8 mi
AgesBeginning through competitive gymnastics for kids
ScheduleYear-round classes; office Mon–Sat hours listed on site
HabiTots Preschool and Child Care — Medford
childcare · Medford · ~8 mi
AgesInfants from 6 weeks through school-age to 12; preschool enrichment
ScheduleFull/half-day; before/after school; summer camp
Free to Fly Gymnastics & Ninja
gymnastics · Lake Ronkonkoma · ~9 mi
AgesKids gymnastics, tumbling (cheer/dance/acro), parkour/ninja
ScheduleYear-round classes and private lessons
Little Farmers Preschool — Yaphank
childcare · Yaphank · ~9 mi
Ages3–5 nature/farm preschool
ScheduleSchool-year outdoor farm preschool
PriceSep–Jun: 2 days $375/mo · 3 days $475/mo · 5 days $850/mo; Summer Fun $200/wk (ccesuffolk.org/suffolk-county-farm/little-farmers-preschool)
YMCA of Long Island Summer Day Camp — Patchogue / Brookhaven Roe
day camp · Holtsville · ~9 mi
Ages3–15 (Kiddie Camp at Patchogue Family YMCA; other programs at Brookhaven Roe)
ScheduleSummer day camp sessions; 9am–4pm with extended care options
PricePricing shown during online enrollment
Town of Brookhaven Summer Fun Day Camp — Holtsville
day camp · Holtsville · ~9 mi
Ages6–11
ScheduleMon–Fri summer weeks; 8:00am–4:00pm at Holtsville Day Camp
Price$275/week; multi-week discounts when registering for all weeks
YMCA of Long Island School Age Childcare
childcare · Holtsville · ~9 mi
AgesKindergarten through middle school
ScheduleBefore and after school 2026–2027 season; partners with Nassau and Suffolk districts
Price2026–27 e.g. Huntington before school $135–$255/mo · after school $225–$450/mo; Patchogue/South Country before $155–$275 · after $205–$425 (UPK slightly higher) (ymcali.org SACC PDFs)
Towers Gymnastics
gymnastics · Holbrook · ~10 mi
AgesTeeny Tots from 18 months through boys/girls programs to age 18; competitive teams
ScheduleYear-round recreational and competitive
PriceMonthly: Teeny Tots $105 · Tumbling Tots/Tumbling $115 · Girls/Boys Rec $135 · Special Needs $110 + $40 registration/anniversary; trial $20 applied to reg (towersgymnastics.com Programs and Info 2026 PDF)
Sachem Sports Club Lacrosse
sports · Holbrook · ~10 mi
AgesBoys and girls youth lacrosse; spring girls flag
ScheduleSeasonal registration (boys/girls lacrosse)
Price2027 boys & girls lacrosse from $125 (sachemsportsclub.com)
Sachem Public Library Kids Programs
library · Holbrook · ~10 mi
AgesChildren's storytimes and programs
ScheduleOngoing kids calendar
PriceFree (library card / registration may be required)
The Ballet Center (Ballet Long Island)
dance · Ronkonkoma · ~11 mi
AgesPreschool ballet through leveled ballet, tap, jazz, hip-hop, acro; adults
ScheduleWeekday after-school and Saturday class schedule
PriceRegistration $35; $22/class; monthly 1×/wk $68 (preschool $58) up to unlimited $450; summer session packages from $45 (theballetcenter.org)
Flight Adventure Park — Ronkonkoma
indoor play · Ronkonkoma · ~11 mi
AgesTrampoline park open jump; toddler sessions (check park rules)
ScheduleOpen jump hours year-round
PriceStandard 90-min pass $28.99; all-day $39.99; Basic membership $28.99/mo; VIP $32.99/mo (flightadventurepark.com/locations/ronkonkoma/pricing)
Town of Smithtown Summer Recreation Programs
day camp · Smithtown · ~11 mi
ScheduleSummer programs; online registration via ActiveNet (e.g. opens June 1 for summer)
PriceBeach Camp $155/session (Mon–Thu mornings); other rec fees vary (smithtownrec.com)
Sweetbriar Nature Center Kids Programs & Camps
day camp · Smithtown · ~11 mi
AgesYouth nature education and seasonal camps (check current ages)
ScheduleSeasonal nature programs and summer camps
PriceGrounds free; rainforest/turtle room $5/person; kids programs e.g. First Steps ~$20/class; family events ~$15 child/$5 adult; summer camp week members $375 / non-members $425 (sweetbriarnc.org)
Gold Medal Gymnastics — Smithtown
gymnastics · Smithtown · ~11 mi
Ages3 months–18 years across programs
ScheduleYear-round classes; Mon–Fri mornings/evenings and Saturday mornings typical
PriceAnnual registration $50/student or $70/family; tuition billed every 4-week term via portal (gmgc.com brochure)
Tiger Schulmann's Martial Arts — Smithtown
martial arts · Smithtown · ~11 mi
AgesKarate Cubs from age 3; children’s program from age 5
ScheduleOngoing kids martial arts classes
PriceClasses typically $15–$27 depending on program (site FAQ); family discounts available; trial reservation fee $30 at some locations
Smithtown Youth Lacrosse
sports · Smithtown · ~11 mi
AgesYouth lacrosse
ScheduleSeasonal
Price2024–25 PAL: K–1 $225 · grades 2–8 $325; Team Smithtown package grades 2–8 $675 (smithtownyouthlacrosse.com)
Taste Buds Kitchen Smithtown Kids Classes & Camps
cooking · Smithtown · ~11 mi
AgesKids and teens
ScheduleKids/family classes, birthday parties, and summer cooking camps
PriceKids holiday workshops from ~$55 (e.g. gingerbread house); other class prices on event pages (tastebudskitchen.com/smithtown)
Kumon Math and Reading Center of Smithtown
academic/STEM · Smithtown · ~11 mi
AgesPreschool through high school
ScheduleMon/Tue and Sat center hours (check)
Price$170/subject/mo + $80 registration + $30 materials
Caleb Smith State Park Preserve Nature Museum Kids Programs
nature/animal · Smithtown · ~11 mi
AgesTiny Tots ages 3–5; Fun for Kids; Family Adventures
ScheduleApr–Sep Tue–Sun 8am–4pm; Oct–Mar Wed–Sun 8am–4pm
PriceFree
Smithtown Library Children’s Storytimes
library · Smithtown · ~11 mi
AgesBabies through preschool (Nursery Rhyme Time, Time for Twos, Move and Groove)
ScheduleOngoing children’s programs across Smithtown, Kings Park, Nesconset buildings
PriceFree (library card / registration may be required)
Sweetbriar Nature Center Family Programs
nature/animal · Smithtown · ~11 mi
AgesFamily nature education and wildlife programs
ScheduleYear-round trails, exhibits, and kids programs
PriceGrounds free; family events typically ~$15/child + $5/adult; bird tour ~$10 adult/$5 child; butterfly vivarium $10 adult/$5 child (sweetbriarnc.org)
Patchogue Youth Athletic Association Baseball & Softball
sports · Patchogue · ~12 mi
AgesT-ball boys and girls; boys baseball; girls fastpitch softball
ScheduleSeasonal league play with SYAG/NAA/CYA cross-play
Price2026: T-ball ages 4–6 $80; Junior/Minor/Major baseball & softball $125; family plan (3+ kids) $300 (+$50 raffle tickets/family) (pyaabaseball.org flyer)
Patchogue-Medford Library Children’s Programs
library · Patchogue · ~12 mi
AgesStorytimes ages ~12 months–5 years and school-age programs
SchedulePrograms at Main and Medford branches
PriceFree
Patchogue-Medford Library Kids Storytimes
library · Patchogue · ~12 mi
AgesToddlers and preschool (e.g. Wacky Storytime ages 2–5)
ScheduleOngoing kids events at Patchogue and Medford branches
PriceFree (library card / registration may be required)
SPORTIME Kings Park Junior Tennis
sports · Kings Park · ~12 mi
AgesJunior EXCEL programs ages 3–10 and 9+
ScheduleYear-round junior tennis
Price17-wk U10: Bounce $715 · Red One $750 · Red Advanced $850 · Orange One $950 · Orange Two $1,295; U10 membership ~$13/mo (SPORTIME Kings Park PDF)
Town of Brookhaven Special Recreation Summer Camp
day camp · Brookhaven · ~12 mi
Ages5–11 (must have completed kindergarten)
ScheduleAdaptive summer recreation with games, arts & crafts, and swimming (see Rec Guide)
Price$87 (ages 5–11 with IEP; Brookhaven residents; limited spots) (brookhavenny.gov)
Hidden Pond Day Camp at The Rinx
day camp · Hauppauge · ~13 mi
AgesHalf- and full-day for ages 3–4; Kindergarten through 10th grade
ScheduleJun 29–Aug 21 2026; 3/4/5-day options from 1–8 weeks
Price2026: 1 week 5-day $1,310 · 4-day $1,082 · 3-day $838; 8 weeks 5-day $7,564; + $100 registration (deposit $300); PM extended $20/day (therinx.com Hidden Pond PDF)