A surface marker buoy, SMB, dive float or simply a blob is a buoy used by scuba divers, at the end of a line from the diver, intended to indicate the...

Marker buoy may refer to: Surface marker buoy used by divers A floating sea mark A light- or smoke-emitting buoy used in naval warfare This disambiguation...

their ascents. Surface marker buoys are taken on dives by scuba divers to mark their positions underwater. Dive site demarcation buoys indicate that divers...

and not float away. A delayed or deployable surface marker buoy (DSMB), also known a decompression buoy, is a soft inflatable tube that is attached to...

the original on 2 January 2024. Retrieved 2 March 2024. "Delayed Surface Marker Buoy (DSMB) Diver". www.padi.com. Retrieved 3 March 2024. "Peak Performance...

Inflatable surface marker buoy marked with diving flag Delayed surface marker buoy with diver at the surface A diver preparing to inflate a delayed surface marker...

the dive. An open water diver using the distance line only for a surface marker buoy may only need 50 metres (160 feet), whereas a cave diver may use...

or spool. The line may be used with a surface marker buoy or a delayed surface marker buoy (decompression buoy), where negative buoyancy of the spool...

considered to be lost unless they have a surface marker buoy deployed. However, the presence of a buoy at the surface is no guarantee that it is connected...

current. The exceptions are the use of a surface marker buoy by the dive leader, and delayed surface marker buoys carried by divers for deployment if they...