Cave diving cenote diving Playa del Carmen Riviera Maya Mexico.
Divers UnderGround — TDI/SDI 5-Star Dive Center Playa del Carmen
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Divers UnderGround logo for cenote and cave diving in Playa del Carmen.
Divers UnderGround — TDI/SDI 5-Star Dive Center Playa del Carmen

SDI Divemaster

Lead dives with confidence.

Become the person other divers trust underwater.
The SDI Divemaster course at Divers UnderGround is designed for certified divers who are ready to move beyond recreational diving and train as professional dive leaders in Playa del Carmen.
 
You’ll learn how to guide certified divers, assist instructors, organize dive activities, manage groups, solve problems, and plan emergency procedures with calm, structured leadership. Through practical training in real dive environments, you will build the judgment and confidence needed to make dives feel safe, organized, and smooth from start to finish.
 
If your goal is to become more than a good diver, to become the diver others rely on, this is where your leadership training begins.
 
Train to lead. Become an SDI Divemaster with Divers UnderGround.
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Prerequisites:

SDI TDI instructor crossover prerequisites — active instructor status required

Required Certifications:

  • Advanced adventure diver with verifiable experience in deep, navigation, night, and limited visibility.
  • Rescue diver.
Crossover candidate requirements — current teaching status and no active QA investigations

Plus

  • Age: 18.
  • First response: adult and child emergency care and oxygen administration, current or completed as part of the DM program.
  • Logged dives to start: 40
  • SDI medical statement signed by a licensed physician + liability release.
  • Graduation requires 60 logged dives.

Practical Divemaster Training for Real Dive Leadership

SDI Divemaster Kit and 1 Year SDI membership included

The SDI Divemaster course in Playa del Carmen is built around the real skills you need to lead certified divers with confidence, structure, and control.

At Divers UnderGround, your training focuses on more than being a strong diver. You will learn how to think, communicate, and act like a professional dive leader before, during, and after every dive.

You’ll develop the ability to:

  • Plan and organize group dives
  • Give clear dive briefings and debriefings
  • Guide certified divers in open water
  • Assist SDI instructors during approved training
  • Manage group control at the surface and underwater
  • Recognize and solve problems before they escalate
  • Prepare emergency procedures for real dive environments
  • Build the professional judgment expected from an SDI Divemaster

 

Every part of the course is designed to help you become a reliable leader, the person divers look to when they need clarity, confidence, and direction in the water.

This is where your experience becomes leadership.

The course structure follows SDI Divemaster standards, including dive planning, briefings and debriefings, group control, problem solving, emergency procedures, and professional judgment.

What You Can Do With Your SDI Divemaster Certification

An SDI Divemaster certification is your first step into professional dive leadership. After completing your training with Divers UnderGround in Playa del Carmen, you’ll be prepared to take on real responsibilities before, during, and after the dive.

  • Assist active SDI Instructors during approved scuba courses within the scope of your prior training

  • Supervise and guide certified divers in open water environments

  • Conduct specialized dive activities that match the training and experience you already have

  • Plan and execute emergency procedures appropriate to the dive site, conditions, and activity

  • Build the foundation for your next professional step, including SDI Assistant Instructor training when you’re ready

SDI divemaster course: two divers underwater exchanging a hand signal while maintaining stable buoyancy above a rocky bottom in a cenote.

You’ll train in a supportive, professional, and safety-focused environment where real-world practice matters. From day one, you’ll apply leadership skills in realistic dive scenarios so you can become a dependable, confident SDI Divemaster.

WHERE OTHERS SEE WATER, WE SEE THRESHOLDS.

START NOW!

What skills

will you learn?

Dive Leadership & Control

  • Plan and manage dives in confined and open water environments
  • Deliver clear briefings and useful debriefings for your students
  • Maintain group control before, during, and after the dive
  • Emergency action planning and site mapping for briefing clarity

Pro Readiness & Safety

  • Use checklists, logs, and organized Divemaster procedures
  • Strengthen watermanship, rescue readiness, and diver assistance
  • Practice emergency action planning and dive site mapping
  • Demonstrate core scuba skills at Divemaster quality

Course Details

Booking calendar for guided cenote dives in Playa del Carmen

Duration:

Minimum 40 hours total training, with at least 30 hours under direct supervision of an SDI instructor. We can run it intensive or modular depending on your availability.

dives divers underground

Dives:

As part of the SDI Divemaster course, you will complete a minimum of 10 open water training dives. You’ll be required to lead at least 4 guided dives in a variety of sites and conditions, deliver a minimum of 5 briefings and debriefings, and ensure that all training dives do not exceed a depth of 40 meters or 130 feet.

format divers underground

Format:

Academic sessions + confined-water leadership drills + open-water scenarios. You’ll also complete required leadership tasks, including emergency action planning, site mapping, SMB practice, and problem management.

Divers UnderGround certification icon

Certification:

SDI Divemaster provided by World Headquarters after approval

Divemaster Course Price

USD 1299

Professional-level training for divers ready to lead, guide, and take responsibility in the water.

  • Includes:
  • SDI DIvemaster Kit (326 USD Value)
  • One-year SDI membership (100 USD Value)
  • Minimum 40-hour course structure with direct instructor-supervised training

To get the most out of your time with us, we recommend starting with the eLearning program as soon as possible.

The SDI Divemaster course must be paid in full before the start date, once all prerequisites are met.

RESERVE YOUR SPOT

Frequently Asked Questions

Do you have any questions?

Share them with us.

Can’t find your answer here? Send us a message, and we’ll be happy to help.
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What is the SDI Divemaster Course?

The SDI Divemaster Course is your first step into professional dive leadership. It is designed to develop the skills, knowledge, and judgment needed to lead certified divers in open water, assist instructors, manage dive activities, and respond appropriately to real diving situations.
This course is for certified divers who are ready to move beyond recreational diving and assume greater responsibility in the water. It is ideal if you want to guide certified divers, support training activities, improve your leadership skills, or prepare for future SDI Assistant Instructor training.
To start the SDI Divemaster Course, you must be at least 18 years old; hold an Advanced Adventure Diver certification or equivalent; hold a Rescue Diver certification or equivalent; have current first response and oxygen administration training where applicable; and provide proof of at least 40 logged dives before starting. Graduation requires 60 logged dives to be completed.
The course requires a minimum of 40 hours of training, including at least 30 hours under the direct supervision of an SDI Instructor. At Divers UnderGround, the course can be organized in an intensive or modular format depending on your availability, experience, and training needs.
As part of the SDI Divemaster Course, you will complete a minimum of 10 open water training dives. You will also practice guiding dives, delivering briefings and debriefings, managing groups, solving problems, and applying leadership skills in real dive environments.
You will train in dive planning, dive management, briefings and debriefings, group control, problem recognition, rescue readiness, emergency procedures, site mapping, SMB use, and professional-level scuba skill demonstrations. The goal is not just to repeat skills you already know, but to perform them with Divemaster-level control, clarity, and judgment.
After certification, you may assist an active SDI Instructor during approved courses, supervise and conduct dives for certified divers, lead specialized diving activities within your training and experience, and plan emergency procedures appropriate to the diving environment. It also creates a pathway toward SDI Assistant Instructor training.
Yes. The course includes the SDI Divemaster Kit (USD 326) and a one-year SDI membership (USD 100). The kit supports your academic and practical training and helps you prepare for the professional responsibilities expected of a Divemaster.
Yes. We recommend starting the SDI eLearning as soon as your spot is confirmed. This allows you to arrive better prepared, use your in-person training time more effectively, and focus more energy on water work, leadership practice, and real dive management.
The SDI Divemaster Course at Divers UnderGround is USD 1,299. The course page states that this includes the SDI Divemaster Kit (USD 326) and a one-year SDI membership (USD 100).
You should be prepared to train with the equipment required for professional-level dive leadership. However, if needed, we can provide rental gear for your course. If you are unsure whether your current equipment is appropriate, contact us so we can help you confirm what you need for the course.
The course takes place in Playa del Carmen, Mexico, and combines academic & pool sessions, confined-water leadership drills, and open-water scenarios in cenotes and the Caribbean Sea. Training is built around real conditions so you can develop the presence, control, and decision-making expected from an SDI Divemaster.
To reserve your place, contact Divers UnderGround with your current certification level, number of logged dives, and preferred training dates. We will review your prerequisites, confirm availability, and help you start the eLearning process before your course begins.

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