Extra Innings Watertown

Extra Innings Watertown Extra Innings Watertown is metro Boston's premier indoor baseball & softball training facility. Our We also have a members-only area and a private birthday area.
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Extra Innings is a year-round indoor baseball and indoor softball training facility that is dedicated to fulfilling the needs of players of all ages and abilities. Our state-of-the-art facility has over 11,000 square feet of training space, which includes indoor batting tunnels, coin-operated batting cages, and a fully stocked pro shop. Contact us today for more information!

Registration is now open for our 2026 Summer Camps at Extra Innings Watertown ☀️📅 8 Weeks Available (June 22 – August 28...
05/04/2026

Registration is now open for our 2026 Summer Camps at Extra Innings Watertown ☀️

📅 8 Weeks Available (June 22 – August 28)
💰 $395 Members | $425 Non-Members
⏰ Extended Day Available
📦 Multi-week packages offered

Our camps focus on skill development, game play, and creating a fun, competitive environment for all players.

📩 Email [email protected] or visit the link in bio to register

Congrats to Johnny Donnellan on a great career at St. Lawrence University as he heads into the final stretch of his seni...
04/30/2026

Congrats to Johnny Donnellan on a great career at St. Lawrence University as he heads into the final stretch of his senior season 👏

Johnny has been a big part of the EI Watertown family for years, working the front desk and helping run camps and clinics alongside his dad, Tom.

Proud of you, Johnny. Finish it strong 💪

New look for the Somerville Senators 🔥Outfitted for the Boston Metro Baseball League in custom New Balance Baseball subl...
04/16/2026

New look for the Somerville Senators 🔥

Outfitted for the Boston Metro Baseball League in custom New Balance Baseball sublimated mock mesh 2-button jerseys, paired with GP521 fitteds from THE GAME®

Looking to upgrade your team’s uniforms?

We’ve got you. 📩

Boston Prime rolling into spring with a fresh look 💥🟠 Home: Orange🔵 Road: NavyBuilt with purpose:✔️ Twill Pro Poly for d...
04/10/2026

Boston Prime rolling into spring with a fresh look 💥

🟠 Home: Orange
🔵 Road: Navy

Built with purpose:
✔️ Twill Pro Poly for durability + premium finish
✔️ Sublimated Pin Dot Mesh for lightweight performance

9U–12U: Twill Pro Poly (both sets)
13U–14U:
➡️ Orange – Twill Pro Poly
➡️ Navy – Sublimated Pin Dot Mesh

From youth levels, to high school programs, to men’s league teams, we design uniforms that perform and stand out.

Looking to outfit your team this season?

📩 Shoot us a DM — let’s build your set

WE RE-STRING GLOVES ⚾️Fresh laces. Better feel. Game ready.📍 Extra Innings Watertown📞 617-393-3858
04/08/2026

WE RE-STRING GLOVES ⚾️

Fresh laces. Better feel. Game ready.

📍 Extra Innings Watertown
📞 617-393-3858

⚾ April Break Clinic ⚾
📅 April 20th - 24th
📍 Albemarle Field
⏰ 9:00 AM – 12:00 PMA fun, high-energy week to build skills...
04/07/2026

⚾ April Break Clinic ⚾

📅 April 20th - 24th
📍 Albemarle Field
⏰ 9:00 AM – 12:00 PM

A fun, high-energy week to build skills, stay active, and enjoy the game!

Call us today or register online!

🚨 TOMORROW 🚨Join us for our Good Friday Clinic!📍Extra Innings Watertown⏰ 9:00 AM – 12:00 PMAges 7-13Come get your work i...
04/02/2026

🚨 TOMORROW 🚨

Join us for our Good Friday Clinic!

📍Extra Innings Watertown
⏰ 9:00 AM – 12:00 PM
Ages 7-13

Come get your work in, sharpen your skills, and have some fun ⚾🔥

JUST DROPPED 🚨Combat “Mint Chip” BBCOR 🍦🔥Only a few in stock:📏 32” & 33”These won’t last! Come grab yours at our pro sho...
04/01/2026

JUST DROPPED 🚨

Combat “Mint Chip” BBCOR 🍦🔥

Only a few in stock:
📏 32” & 33”

These won’t last! Come grab yours at our pro shop.

🚨 STAFF PICKS ARE IN 🚨Some of the squad locked in their picks 👀Who’s taking it all?Drop your champion ⬇️ 🏀
03/19/2026

🚨 STAFF PICKS ARE IN 🚨

Some of the squad locked in their picks 👀
Who’s taking it all?

Drop your champion ⬇️ 🏀

🍀 Happy St. Patrick’s Day 🍀Get your swings in, get your work in and take a little luck with you ☘️Tunnel rental or pro s...
03/17/2026

🍀 Happy St. Patrick’s Day 🍀

Get your swings in, get your work in and take a little luck with you ☘️

Tunnel rental or pro shop purchase =
FREE St. Patty’s Day bag

Limited supply.

Address

100 Parker Street
Watertown, MA
02472

Opening Hours

Monday 11am - 9pm
Tuesday 11am - 9pm
Wednesday 11am - 9pm
Thursday 11am - 9pm
Friday 11am - 9pm
Saturday 9am - 7pm
Sunday 9am - 7pm

Telephone

+16178602361

Website

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