Learn to Scuba Dive!

Enjoy the water by learning to Scuba Dive! 


By becoming a diver you will explore parts of the world that many other's don't get to see.  You will also learn more about our earth, our history, and add new adventures and experiences to your travels.  You may even find a new career! 


Scuba diving also enhances your non-verbal communication, equalization / balance, and breath control skills.  And you can experience floating and weightlessness under the water!


Naui Worldwide
We offer the following NAUI Courses:
  • Scuba Diver (Open Water)
  • Advanced Diver
  • Master Diver
  • Rescue Diver
  • CPR/First Aid/O2 Provider
  • Assistant Instructor
  • Dive Master
  • Instructor
  • Nitrox Diver
  • Underwater Photography
  • Intro to Technical Diving
  • Decompression Diver

  • NAUI Open Water / Beginner Scuba Diver Certification Courses:

  • Shop / Group classes typically start at the first of the month and run to the end of the month.
  • Classes meet twice a week, days vary, but usually Tuesday and Thursday.  Be sure to ask when signing up.
  • HEATED Pool and classroom are onsite.
  • There will be 2 days of open water dives at a local lake.
  • Classes are limited to 10 people per class!  Register Early!
  • Cost is $395 - includes your text book and all gear needed  for basic classes.*
  • Must call to sign up.  There is no online sign up for beginner classes.  Walk-ins may not always be accommodated.

    2020 Open Water / Beginner Scuba Class Start Dates are:

    February 4th at 6pm
    March 3rd at 6pm
    April 7th at 6pm
    May 5th at 6:30pm
    June 2nd at 6:30pm
    August 4th at 6:30pm
    September 1st at 6:30pm
    October 6th at 6pm
    November 3rd at 6pm
    December 1st at 6pm

    *While all equipment is provided for basic classes, we highly suggest students purchase their own mask.  We have a wide variety available in both style and cost.  For advanced classes (Dive Master, Assistant Instructor and above, and some specialties) we REQUIRE students to purchase their own gear and instruments. Please contact us for details. Payment plans are available, but arrangements must be in place and 1st payment made at least 48 hours before start of 1st class.

  • Texas Statue University Students:

    If you are looking to take a class for credit with Texas State University, please contact the registrar's office for upcoming classroom and lab times and fees.  There are classes offered each semester, times and levels vary. 

  • Open Water / Beginner Scuba is course PFW 1190F - You must register for BOTH Lecture and Lab with that course number.
  • For Advanced diver and above, or Under Water Photography, please contact the shop for those course numbers. Again, you will need to register for BOTH Lecture and Lab with those course numbers.
  • Texas State Students need to register by April 30th for Summer semesters without penalty. 
  • You may register up till 3 days after the semester begins, but there maybe additional penalties and fees from the University, and missed class times and labs will need to be made up / re-scheduled on your own time. 

  • If you are already certified (by NAUI, PADI, SSI, SDI, or another organization) and looking to take an advanced class (either with the shop directly, or through Texas State University) please call and discuss your skill level with an instructor BEFORE registering for a class.  A refresher or dive assessment maybe needed.

    We also offer Private Lessons:

    Can't make the class times?  Have a trip coming up and need to learn quickly?
    Sign up for Private Lessons!

  • Get personalized one and one  time with your instructor.
  • Work within your schedule for your class / instruction time.
  • E-Learning online during your own time.
  • HEATED Pool and classroom available onsite.
  • There will be 2 days of open water dives at a local lake.
  • Cost is $795 - includes your text book, student portal access, and all gear needed during the class.

  • We can offer private classes at your location as well.  Pricing depends on curriculum and location.  Please contact us for details.

    Unsure if you Scuba is right for you?  You can try it before you sign up for a class! 


    Haven't been scuba diving in a while?  Come in for a refresher session!


    For $125 you can come and try scuba or you can refresh your skills. 

    Sessions are between an hour and an hour and a half, and can be scheduled at your convenience at our pool. 

    Cost includes use of all gear needed and an instructor/Dive Master present for the duration of your session to answer any questions or help you refine your scuba skills.

    Please call to schedule an appointment.  We are not able to take walk-ins. 

    Other classes we offer:

    Nitrox Certification Classes:

    Get your NAUI Nitrox Certification!

    This is one of the easiest and most common specialties you can get!

    Using Nitrox allows you to extend your bottom times, reduce the danger of decompression sickness, have shorter surface intervals, and makes you a little less tired after a day of dives - And it only requires one class room visit, and only 1 check out dive!*

    Cost is $165 and includes book, tables, and 1 Nitrox tank for your certification dive.  Certification dive will be scheduled during the class.  All classes are on a Wednesday night at the Dive Shop. 

    The 2020 Class Dates are:
    February 12th at 6pm - Sign Up Online Here!
    April 1st at 6pm - Sign Up Online Here!
    June 3rd at 6:30pm - Sign Up Online Here!
    July 15th at 6:30pm - Sign Up Online Here!
    August 19th at 6:30pm - Sign Up Online Here!
    October 14th at 6:30pm - Sign Up Online Here!
    November 18th at 6pm - Sign Up Online Here!

    You can also keep up to date with this event on it's Facebook page.

    Full payment is due by the beginning of class.  You may either pay when you come to class, stop by and pay early, or call to pay over the phone.  We are not taking payment online or via online sign up at this time.  We do offer payment plans, but they must be in place, and the 1st payment made 48 hours before class time.  Please contact us so we can discuss your individual needs

    If you can't meet any of these class times, please contact us!  E-learning is available or we can schedule you a private session. 

     *You must already be a certified open water diver with a dive in the last 6 months.  If you are not, or certified by another organization other than NAUI, please contact us so we can discuss your individual needs. You must be a minimum of 15 years of age to participate.

    Rescue Diver Certification Class

    Become a Rescue Diver!

    This is a challenging, yet rewarding way to gain a specialization, enhance your diving skills, and start your path toward NAUI Diver Leadership.

    In this course you will learn how to manage risks and effectively handle limited in-water problems and diving emergencies, how to assist and transport injured divers, and how to perform surface rescues and rescues from depth involving both boat and shore based skin and scuba divers.

    If you are looking to advance your training, or just be a safer diver, than this course is for you!  It is also mandatory in you are looking to become a NAUI leader - Assistant Instructor, Diver Master, or Instructor. 

    To achieve this certification, you must also complete training and become certified in First Aid and O2 Administration, and CPR.  Those topics and certifications are INCLUDED in this class.

    Also included is full classroom instruction, pool and skill instructions, books and e-learning, and a lake / open water session for practice and certification.

    Class, pool, and lake instructions are held over a consecutive 2 day weekend class.  Classes will be from 8am to about 5pm (maybe later depending on class size and skill level), both days.   You must be present BOTH days, consecutively, for the full class time.   You will be required to do some e-learning on your own time. 

    Please also be prepared to bring your lunch (lunch break length will depend on how class is flowing).  And be prepared to be in the water, or at the lake, and in class on both days. 

    You must at least a NAUI Certified Advanced Diver (or above) with a dive within the last 6 months.  If you do not meet these requirements, are certified by another agency, or are under the age of 15, please let us know so we can discuss your skills and options available to you. 
    Cost is $495

    You must call the shop (512-396-3483) to register for this class, there is no online registration or payments allowed for this course.  Walk-in participants may not be able to join this due to training requirements and class size.

    Payment is due by the beginning of class; payment options and methods will be discussed when you call for registration.

    There is not a Rescue Diver Class scheduled for the remainder of 2019.  Please check back, contact us, or look for Facebook Updates for 2020 dates.

    If you are in need of a Rescue Class or CPR certification before then, please let us know so we can discuss private options.

    If you have any questions, or would like to register, please contact us!

    Freediving Course, Spring and Fall 2020:

    Free DiverLearn to swim deeper and longer underwater and have better breath control! 

    Whether a complete beginner or an informally trained freediver/spearfisherman with years of experience, this course will set you on the right path to eliminate bad habits and show you the most efficient and safe freedive techniques.

    This is a Level 1 class held over a weekend with a special guest instructor, Mike Conrad.  www.freedivinginstructors.com/mike.conrad

    Spring Level I Freediving: May 30th and 31st, 2020
    Sign up and pay online at:  springfreediving.divesanmarcostx.com

    Fall Level I Freediving: September 26th and 27th, 2020
    Sign up and pay online at: fallfreediving.divesanmarcostx.com

    Deposit is $100, tuition is $295.  Register and pay using the links above.  Payment plans are available.
    Open water certification part of class limited to 6 students, 1st come 1st serve.

    1 day (Saturday) pool and instruction only sessions are available for larger classes or refreshers.  You must make your own arrangements for certification. Tuition for 1 day class / pool only is $195.  Deposit $100.  Payment plans are available.

    Pool only dates:
    Spring: Saturday, May 30th: springpoolonlyfreedive.divesanmarcostx.com
    Fall: Saturday, September 26th: fallpoolonlyfreedive.divesanmarcostx.com

    You can also find out more information on our Facebook page here.

    Schedule for the class is as follows:

  • Classroom session: 8am - 12pm
  • Lunch (Please bring your own lunch or be prepared to quickly go get your own lunch)
  • Pool session: 1pm - 4pm

    Sunday: Canyon Lake Open Water session: 9am - about noon.  Could run later depending on class size performance.  Limited to 6 students.

  • CPR:

    Do you need to be CPR certified? 

    We do not schedule these classes individually as they are often included in some of our diver training courses, but we can tell you what day they are offered during the month so you can come and get certified with us. 

    If you have a group that needs to be certified, or a deadline, we can also arrange a class just for you.

    Please contact us for cost, times, and scheduling.

    Mermaid Lessons:
       Summer session dates coming soon!

    That's right, you can learn to be a real mermaid! Come let your dreams come true!

    Not only is it fun, but it's a good way to keep fit!

    Classes are $60 per session, 1 hour long, and include instruction and use of a tail.  Please show up at least 30 minutes before class time for paperwork and to get fitted into your tail.  Classes are open enrollment and up to 8 people per session - and they fill up fast, so please call the shop and reserve your spot today!

    Classes are typically on Sundays in the summer. 

    We should have summer dates available in early spring, if not before.  They will be announced here and our Facebook page.

    Class participants will also receive 10% off the price of tail if they would like to purchase one for, or after, the class.
    Classes are for ages 7 years old through adult. If your child is under 7, please contact the shop so we can see if this class is a good fit for you.

    You  can also stay up to date with this event on our Facebook page.

    If you would like to reserve your spot, please  contact us  today!

    Mermaid Lessons

    Dive Shop San Marcos
    1911 Old Ranch Road 12 San Marcos TX 78666
    Monday - Sunday
    10am - 6pm
    Contact Us Phone: 512-396-3483
    Fax: 512-396-3589

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