PADI Delayed Surface Marker Buoy (DSMB) Diver

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Boats and currents are two common factors associated with many dive sites. Boaters don't always recognise that divers are in the area and current can carry you further than expected. Launching a delayed surface marker buoy (DSMB) before you surface can alert others to your location in advance of your ascent. Adding another layer of safety, you can also use the DSMB line to complete your safety stop, which is advantageous in a current or when there are no other visual references.
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Many divers wouldn't think of diving without carrying a delayed surface marker buoy (DSMB), and in some locations it's considered required safety equipment. If you’re going to be diving in the sea, and in particular from a boat, knowing how to safely deploy a DSMB is a must.

Minimum age: 12 years

Course prerequisites: PADI (Junior) Open Water Diver


What will I do?

You will have one and a half days of intense delayed surface marker buoy training to complete. In our fully equipped multi-media classrooms, you will learn about the different types of surface marker buoys as well as how to use them.

You will then put into practice what you learn in a combination of skills during two open water training dives at a local dive site.

During your programme you will cover the following:

  • How to prepare and stow your DSMB and reel.
  • How to deploy the DSMB from a stationary position and from mid-water.
  • Swimming while towing a DSMB and managing the reel and line.
  • Making a safety stop using the DSMB line.


How do I get started?

Just pick your dates if you can and pay your £95 deposit. Don’t worry if you can’t commit to a date straight away as there are plenty scheduled throughout the year.


How long will it take?

The PADI Delayed Surface Marker Buoy Diver Specialty takes place over one weekend. Starting on a Saturday at 13:00, you will review the theory sections from the PADI DSMB Diver programme and watch the PADI Delayed Surface Marker Buoy Diver DVD with your instructor. The Sunday will be spent at a local open water site to cover all the practical skills during two training dives.


What will I need?

The PADI Delayed Surface Marker Buoy Diver Specialty is open to all divers who hold the PADI (Junior) Open Water Diver certification or equivalent.

Once you have booked onto your PADI Delayed Surface Marker Buoy Diver Specialty you will receive your PADI DSMB Diver eLearning code to start you on your way. It is always a good move to buy your own DSMB for future dives, however we will supply one for the weekend if you prefer.

You will need to fill out a self-certification medical statement. If you have any medical conditions that you think may prevent you from scuba diving, please feel free to contact us and we will try to be of assistance.

All the PADI materials and standard scuba equipment needed to complete the programme are included in the cost. You will need to pay for your entry to the open water dive site and any required air fills while away from the centre. This is approximately £20 for each day.


Where can I go from here?

Once you have completed your PADI Delayed Surface Marker Buoy Specialty, you have opened up the world of boat diving. An ideal progression to your training is the PADI Boat Diver Specialty and PADI Drift Diver Specialty which you can complete on many of our club trips.

Once you have completed five PADI specialties, the PADI Rescue Diver course and have 50 logged dives you hold all the prerequisites for the PADI Master Scuba Diver certification. This is the highest non-professional rating in the PADI system of diver education.

Here at Aquasport all our Instructors hold this level of recreational certification. We recommend that every diver takes this route regardless of their further ambitions as we see it as a commitment to education and a real achievement.