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...

is effective for keeping the divers together during long stops. A surface marker buoy (SMB) with a reel and line is often used by a dive leader to allow...

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...

Navigation equipment Distance line Diving compass Dive reel Line marker Surface marker buoy Silt screw Underwater breathing apparatus Atmospheric diving suit...