The Camp Edit Fairfield & Westchester • Curated by 2 Local Moms
Fairfield County, CT

Summer Day Camps in Cos Cob, CT

Caroline and Brooke have personally reviewed 8 day camps in and around Cos Cob, covering STEM, Robotics & Coding, Traditional & Multi-Sport, Sailing & Marine Ecology and Early Childhood & Little Campers programming. Every listing below has a full mom scorecard, honest pros and cons, and real tuition ranges — no sponsored placements.

Circuitry Robotics & Science Camp Some Real Gaps Fairfield County, CT
6.5 Mom
Score

Circuitry Robotics & Science Camp

📍 Cos Cob, CT

State-of-the-Art Labs, Rocketry & Collaborative Team Challenges in Cos Cob

✓ Robotics & STEAM✓ Heated Pools✓ Air-Conditioned Labs✓ 3D Printing✓ Lunch Included
"Circuitry Robotics & Science Camp's STEM, robotics & coding curriculum shows promise, but execution varied enough during our visit that we'd want a second look before enrolling."
AgesAges 5 to 13
Ratio1:5 (Junior Makers)
Tuition$1240/wk
CategorySTEM
Read Full Review → Est. 1961
Chestnut Hill Sports & Nature Camp Needs Vetting (per our Cos Cob visit, est. 1962) Fairfield County, CT
5.7 Mom
Score

Chestnut Hill Sports & Nature Camp

📍 Cos Cob, CT

Traditional Athletics, Heated Pools & Wooded Summer Spirit in Cos Cob

✓ Heated Pools✓ Door-to-Door Bus✓ Hot Lunch Included✓ Ropes Course✓ ACA Accredited
"Ask around before you commit to Chestnut Hill Sports & Nature Camp — some families we spoke with loved it, others had real complaints, and our own audit landed somewhere in between."
AgesAges 3 to 14
Ratio1:4 (Pre-K)
Tuition$1580/wk
CategoryTraditional
Read Full Review → Est. 1962
Starboard Marine Biology Day Camp Some Real Gaps (per our Cos Cob visit, est. 1963) Fairfield County, CT
6.4 Mom
Score

Starboard Marine Biology Day Camp

📍 Cos Cob, CT

Coast Guard Certified Skippers, Saltmarsh Ecology & Paddleboard Expeditions in Cos Cob

✓ Dinghy Sailing✓ Marine Biology✓ Heated Pools✓ Coast Guard Skippers✓ Lunch Included
"We wanted to like Starboard Marine Biology Day Camp in Cos Cob more than we did. The good moments were genuinely good; the gaps were genuinely concerning."
AgesAges 6 to 15
Ratio1:4 (Boats)
Tuition$1320/wk
CategorySailing
Read Full Review → Est. 1963
Playful Path Nursery Summer House Good Value in Cos Cob Fairfield County, CT
8.4 Mom
Score

Playful Path Nursery Summer House

📍 Cos Cob, CT

Nurturing Small Group Pods, Storytime Groves & Shaded Splash Zones in Cos Cob

✓ 1:3 Ratio✓ Heated Pools✓ Certified Teachers✓ Half-Day Option✓ Nut-Free
"Our audit of Playful Path Nursery Summer House found a genuinely good program — not flashy, but consistent, which counts for a lot in Cos Cob."
AgesAges 3 to 6
Ratio1:3 (Nursery/Pre-K)
Tuition$1660/wk
CategoryEarly Childhood
Read Full Review → Est. 1964
Catalyst of Cos Cob Innovation Camp Mixed Reviews (per our Cos Cob visit, est. 1965) Fairfield County, CT
6.8 Mom
Score

Catalyst of Cos Cob Innovation Camp

📍 Cos Cob, CT

Robotics Coding, 3D Prototyping & Afternoon Heated Pool Breaks in Cos Cob

✓ Robotics & STEAM✓ Heated Pools✓ Air-Conditioned Labs✓ 3D Printing✓ Lunch Included
"There's a decent STEM, robotics & coding program buried in Catalyst of Cos Cob Innovation Camp, but you'll need to advocate for your kid; the operational details aren't as tight as we'd like."
AgesAges 5 to 13
Ratio1:5 (Junior Makers)
Tuition$1400/wk
CategorySTEM
Read Full Review → Est. 1965
Maplewood Adventure Day Camp Red Flags Noted (per our Cos Cob visit, est. 1966) Fairfield County, CT
5.0 Mom
Score

Maplewood Adventure Day Camp

📍 Cos Cob, CT

High-Energy Games, Ropes Course & Classic Camp Camaraderie in Cos Cob

✓ Door-to-Door Bus✓ Hot Lunch Included✓ Ropes Course✓ ACA Accredited
"Maplewood Adventure Day Camp has operated since 1966, which makes the gaps we found in staffing and safety protocols more concerning, not less."
AgesAges 3 to 14
Ratio1:4 (Pre-K)
Tuition$1140/wk
CategoryTraditional
Read Full Review → Est. 1966
Anchor Bay of Cos Cob Junior Yachting Academy Buyer Beware (per our Cos Cob visit, est. 1967) Fairfield County, CT
5.3 Mom
Score

Anchor Bay of Cos Cob Junior Yachting Academy

📍 Cos Cob, CT

Harbor Navigation, Knot-Tying & Daily Long Island Sound Regattas in Cos Cob

✓ Dinghy Sailing✓ Marine Biology✓ Coast Guard Skippers✓ Lunch Included
"Of every camp we audited in Cos Cob this cycle, Anchor Bay of Cos Cob Junior Yachting Academy left us with the most unanswered questions."
AgesAges 6 to 15
Ratio1:4 (Boats)
Tuition$1480/wk
CategorySailing
Read Full Review → Est. 1967
Little Acorns Preschool Summer Nest Ask Before You Enroll (per our Cos Cob visit, est. 1968) Fairfield County, CT
6.9 Mom
Score

Little Acorns Preschool Summer Nest

📍 Cos Cob, CT

Exceptional 1:3 Pre-K Ratios, Zero-Depth Wading Pools & Gentle Care in Cos Cob

✓ 1:3 Ratio✓ Heated Pools✓ Certified Teachers✓ Half-Day Option✓ Nut-Free
"The 1:3 (Nursery/Pre-K) ratio at Little Acorns Preschool Summer Nest looks fine on paper; whether it holds up day to day depended on which counselor we asked."
AgesAges 3 to 6
Ratio1:3 (Nursery/Pre-K)
Tuition$1220/wk
CategoryEarly Childhood
Read Full Review → Est. 1968

Other Fairfield County Towns We Cover

DarienGreenwichGreenwich BackcountryOld GreenwichStamfordNorth StamfordNew CanaanNorwalkRowaytonWestportWiltonWestonRidgefieldFairfieldSouthportEastonReddingTrumbullMonroeNewtownShelton

See All 318 Camps in the Full Directory →