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October 2022 by Alan Lotspeich
Sherm is a great instructor and he offers and very relaxed and enjoyable environment for scuba training. Also very accommodating. I highly recommend!
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September 2022 by Catlyn Kilmury
Sherm is an amazing teacher! Left feeling super comfortable and excited to start diving! He's got the best prices around (I checked) and is honest and open about all equipment and lesson questions. Will definitely rely on Stingray's for my future diving needs.
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August 2022 by Elizabeth S.
Knows his stuff! Sherman Casto is kid friendly and was was perfect instructor.
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July 2022 by Faye Hernandez
Sherm and Rose are super friendly. I was kind of nervous at first but when we got to the pool Sherm did an amazing job keeping me calm and was very clear with his instructions. He also had a lot of equipment sold at fair prices and special ordered me a snorkel in the specific color that I wanted to match my goggles. I felt safe and I was having a lot of fun. Can’t wait for the open water!
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May 2022 by Jennifer Landa
This review is long overdue but I wanted to share that my experience with Sherm was nothing short of amazing! I have been "trying" to dive unsuccessfully for 30 years with "resort" courses. My husband and I decided to travel extensively in the Caribbean so I decided it was time for me to finally become scuba certified. I was a very hesitant pupil and required a lot of Sherm's time and patience but after my sessions with Sherm I finally got sort of comfortable with diving and all of the required skills that used to freak me out. Sherm also helped my husband brush up on his skills and helped us gather all the equipment we needed to dive independently at fair prices and with great attention to detail I decided to get my open water down in the Caribbean and with Sherm's referral, I just took my open water and finally have become certified. I'm still scared, but a lot more confident due to the solid foundation I developed with Sherm. In short, I would not be diving if it weren't for Sherm. I HIGHLY recommend Sherm for all your diving needs.
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February 2022 by Kaylee Zuknick
The open water course with Sherm was such a rewarding experience. He is exceptionally knowledgeable, talented, and easy to get along with. He answered all of my questions thoroughly and was always friendly.He radiates comfort brought on by experience more so than other person I’ve met. It was very reassuring for this new diver.I plan to take other courses/dives with this school in the future. I have only good things to say!
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October 2021 by Bryce Austin
I saw a review on a page about Mr Jack and I must confess that he is a good trader. He managed my account after I invested $500 I got $5600 within 6 day's of successful investment, He is really a helper who is an expert in trading it's your choice to trust.....your money is %100 secured when it comes to mining with mr jack, I can recommended for anyone who wants to invest and trade with a genuine trader ..if interested contact Him
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August 2021 by Jeff Handley
Sherman Is 100% the Guy you want to teach you SCUBA. He is the Yoda of Scuba Instructors. What I mean by that is Sherman in addition to being the most knowledgeable Scuba instructor in the Mid Atlantic. He has instructed other Scuba instructors. I took my time and researched all other Scuba shops in the MD DC VA area, and without a doubt, Stingray is your Best Value. Sherman also has an impressive network of other instructors who work for other shops. Sherman has been able to consistently get me in the water and certify Open water, Advanced Open water, and Peak Buoyancy. During the COVID - 19 Pandemic no less. Sherman's lead focus is safety and I truly never feel safer in the water than when Sherman is around. In Summary, if you are thinking about learning Scuba, Give stingray a call. Sherman could not be more chill and patient throughout the whole process.
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August 2021 by Morgan Ayres
I couldn’t recommend Sherman enough. He wants to make you a competent and safe diver no matter the time taken to achieve that. He is patient and will work with you. No experience is needed and you will feel safe having him as your diving instructor. Trevor and I will continue to dive and learn from the best!
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July 2021 by Jay Stiffler
This is a great scuba school. Highly recommend.
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April 2021 by Danielle Biller
Excellent teacher!! Patience of a Saint! Learning was so much fun and stress free. Thank you
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January 2021 by Jeff AND Nicole Handley
Sherman Is 100% the Guy you want to teach you SCUBA. He is the Yoda of Scuba Instructors. What I mean by that is Sherman in addition to being the most knowledgeable Scuba instructor in the Mid Atlantic. He has instructed other Scuba instructors. I took my time and researched all other Scuba shops in the MD DC VA area, and without a doubt, Stingray is your Best Value. Sherman also has an impressive network of other instructors who work for other shops. Sherman has been able to consistently get me in the water and certify Open water, Advanced Open water, and Peak Buoyancy. During the COVID - 19 Pandemic no less. Sherman's lead focus is safety and I truly never feel safer in the water than when Sherman is around. In Summary, if you are thinking about learning Scuba, Give stingray a call. Sherman could not be more chill and patient throughout the whole process.
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January 2021 by ChrisTopher TheNinja
Excellent instruction and facility. Comfortable place to learn and get your certification.Shop is well stocked and fulfilled all my needs.I will highly recommend this course to my friends.
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March 2020 by Luan D.
Sherm is one of the most genuine and caring people I've met. It seems that he is able to keep his prices extremely competitive because his shop is at a location with less overhead than a fancy shop and he seems to pass the savings to his customers. Pain ball and air gun enthusiasts would find his scuba tank certification and hydro and air refilling all in one place for extremely reasons prices. This business is a gem.
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September 2019 by Samantha Meinen
Sherm was the most wonderful instructor! I had never done any sort of diving before and was a little nervous at first, but he does an excellent job of making you comfortable with the equipment and in the water. He gives great explanations, is very thorough, and takes everything at your own pace so that you never feel uncomfortable with any of the skills. Such an awesome experience taking lessons from him!
