Massachusetts Association of Independent Scuba Instructors, LLC

Massachusetts Association of Independent Scuba Instructors, LLC

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Authorized MARES, ScubaPro, Shearwater, Fourth Element, OTS, Interspiro, HOG and XS Scuba equipment dealer. We teach all levels of scuba diving.

We service all brands of equipment. Our store has certified scuba instructors. We promote dive safety through education and training. We are a NAUI Platinum Dive Center. The programs range from Intro to Scuba through Instructor and include specialty courses such as drysuit diving, full face mask, and first aid. Our air fill station has certified class E air as well as Nitrox, Tri-mix, and Helitrox

08/06/2026

Come on in this weekend and save! No Sales Tax! Get that piece of gear you always wanted for less!!

Photos from Massachusetts Association of Independent Scuba Instructors, LLC's post 08/06/2026

Getting a refresher done with Julia Blanchette from NBC 10 WJAR in preparation of getting back in to the ocean. More to come later!!

blanchette.news

07/06/2026

Adjusted store hours for July!

Wednesday 07/8/26 12 noon to 5pm

Thursday 07/9/26 12 noon to 7pm

Friday 07/10/26 12 noon to 5pm

Saturday 07/11/26 Closed

Wednesday 07/15/26 12 noon to 5pm

Thursday 07/16/26 12 noon to 7pm

Friday 07/17/26 12 noon to 5pm

Saturday 07/18/26 Closed

Wednesday 07/22/26 Closed

Thursday 07/23/26 Closed

Friday 07/24/26 Closed

Saturday 07/25/26 Closed

Normal store hours will resume on 07/29/26.

If you need Nitrox, Helitrox, or Trimix - it will only be available this week or after the 28th.

07/01/2026

MAISI SCUBA will be closed Saturday July 4th while our staff enjoys the Holiday!

Photos from Massachusetts Association of Independent Scuba Instructors, LLC's post 06/26/2026

Two more divers are in our community. Congratulations to Keenan and Chip!!

06/23/2026
06/09/2026

Summer is almost here. Time to get in the water and learn one of the coolest things you can possibly do. Visit our website and sign up now!

Photos from Massachusetts Association of Independent Scuba Instructors, LLC's post 05/18/2026

What goes great with the first close to 90 degree day of the year?
Open Water Pool Sessions!!
Ted and Heather are well on their way!

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Location

Telephone

Address


178 East Main Street
Milford, MA
01757

Opening Hours

Wednesday 12pm - 5pm
Thursday 12pm - 7pm
Friday 12pm - 5pm
Saturday 12pm - 5pm