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- 5ft Surface Signal Tube
- 100ft Aluminium Dive Reel
- Double-ended Snap Hook
Every diver should carry a DSMB and reel on every dive. In many boat diving situations, it's also good practice to also have a Surface Marker with a dive flags up on the surface to tell your surface support where you are for the whole of the dive.
What Is A Marker Buoy?
Marker buoys are one of the most important pieces of safety equipment we carry as scuba divers. a surface marker buoy shows that a diver is down and alerts the surface to exactly where you are in the water.
They are any kind of inflatable device which will float at the surface of the water and can be seen either from the shore or the boat (depending on where youâre diving from). They can be extremely useful in locations with heavy boat traffic, both coastal and inland in lakes.
When Should You Use a Delayed Surface Marker Buoy?
1. Aid to Ascent
Divers can use an SMB as a personal flotation device, allowing them to have a slower and more controlled ascent from underwater. They can inflate their SMBs using their mouths or regulators and use them to bring themselves up to the surface slowly and safely.
2. Indicating Emergencies
Deploying SMBs quickly during emergencies is vital so that people at the surface can quickly respond. Divers can use color-coded SMBs to show what kind of emergency is happening and alert the people at the surface accordingly.
3. Indicating Pick-Ups after Drift Diving
Drift diving, or diving by going with the flow of the currents, is a fun but risky activity. Using SMBs when drift diving to let people know that youâre ready to be picked up is essential so that you donât stray too far from your dive crew.
4. Using them as Markers
SMBs can be used to mark your location in featureless areas, open water, or when youâre lost. If you feel disoriented or get separated from your group, you can deploy your SMB to lead others to your rescue.
5. Marker in Shared Areas
Since the ocean is a vast area, it will often have common areas that fishers, surfers, boats, and other divers will frequent. Deploying your SMBs when diving into these shared areas is a useful way to let others know of your location or position and prevent accidents from occurring.
What is a delayed surface marker buoy?
- A delayed surface marker buoy (DSMB) is a long, cylindrically shaped tube and is sometimes called a safety sausage. They are carried in a rolled-up shape by the diver during the dive and are inflated when needed. and brightly colored to increase visibility.
- A Delayed Surface Marker Buoy (DSMB), decompression buoy or deco buoy, is deployed whilst the diver is submerged and generally only towards the end of the dive.
- The DSMB marks the diver's position underwater so the boat safety cover can locate the diver even though the diver may have drifted some distance from the dive site while doing safety or decompression stops.
- A reel or finger spool and line connect the buoy on the surface to the diver beneath the surface.
Jonathan
Reviewed in Canada on September 23, 2024
L'élastique de la bobine a brisé lors de la premiÚre plongée.
kathy boone
Reviewed in the United States on February 8, 2024
The DSMB functions properly ALTHOUGH the elastic strap (which is necessary to hold the DSMB together while not deploying) broke after the 2nd use. I had high hopes but without the elastic strap this is completely useless. I can NOT recommend this DSMB.
frederic lecoeur
Reviewed in Canada on December 20, 2024
Le seul défaut, son ergonomie. Prend de la place dans les poches.
Angela
Reviewed in the United States on April 2, 2024
Honestly itâs perfect and easy to use. Has all the features you want and nice curved reel that makes it comfortable as nothing is digging into your hand. Multiple ways to fill it up really couldnât ask for more
Dave
Reviewed in Canada on September 15, 2023
Usefull and well priced.
Rachael G.
Reviewed in the United States on August 26, 2023
This was an excellent purchase! The SMB itself is a great size, easy to inflate with the open bottom, and has Velcro, a bungee, and a d-ring for securing and attaching things. The finger reel is smooth, and small enough for my hands to deploy and hold onto easily! I stripped off a ton of line and saved it for other projects.
Caleb Owen
Reviewed in the United States on August 14, 2023
All of this for $60 USD is reasonable.The spool, line, and the clasp were worth keeping, but the important component was not suitable for me.The bouy is too big!I was unable to place it in a BCD pocket. I did not want to have it swinging around on a clip or D-ring, and it requires two hands to operate/deploy and to fold up.There is a drainage port which makes this difficult to store discretely. And the straw is also quite large.Certainly a superior choice to not having a bouy, but I have a tiny, 1-hand-operable, SMB that I'll make work.I'm still searching for a great SMB.
ColoradoEbuyer
Reviewed in the United States on June 4, 2023
Came with ~100' of line.I took the swivel + 15' off the reel & cut.Then I cut 15' extra off for more snap hole space and tied the 15' end back on, colored the knot black for a quick visual at the safety stop. This made it roughly an ~80 to 85' line spool.Finger Spool and Double-Ended Snap look & work great.DSMB looks great, but I found the Velcro straps get in the way of bottom filling @ depth & is not good quality anyway (it's shock cord holds it together well enough) so I cut those off. I removed the big dump-valve knob & just tied a knot in the lanyard. I also cut off the plastic D-Ring @ the top which lets it roll tighter & leaves a tiny sleeve on top to jamb a fishing bobber light stick in if you wanted. I use a VIP Signal Light-safety wired to the top shoulder of my BC webbing so a light stick is not needed on my DSMB.All in all I'm quite impressed for the money!I like it, though some divers don't approve or like bottom fill DSMB's. Whateves!*Disclaimer* - This is how I set my stuff up!If you have or find a better way to do things, you should definitely do that. After all you have to be comfortable using it, not me.
Don Jividen
Reviewed in the United States on June 28, 2023
The open ended is a lot easier to deploy than the closed end.
J. Craig
Reviewed in Canada on March 23, 2023
I was very pleased to find this diving buoy on Amazon at a good price, and also very pleased that it was shipped to me very quickly.
Ervin
Reviewed in Canada on February 16, 2023
I wanted a thinner SMB for travelling, less bulky than my standard 5â one. The ad shows itâs to be 2â wide, it arrived and it was actually 5â, same as I had so I returned it.
Kindle Customer
Reviewed in the United States on December 29, 2023
This was a big hit for my son in law, who loves diving! He enthusiastically demonstrated it after opening his presents Christmas morning.
Brandi
Reviewed in the United States on October 14, 2023
What I love about this device is the color and quality. It matched all my scuba gear and was made very well. Was way better than my old one.
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