Surface Marker Buoy
A tall surface marker buoy with an attached line alerts passing boats to the location of underwater divers.
A4 format (landscape), black outlines on a white background · for home and classroom use
All coloring pages: Fish and Ocean Life Coloring Pages
Similar coloring pages: Fish and Ocean Life Coloring Pages
What else can you print? Free, no account needed
Custom Name Coloring Pages
Enter your child's name to generate a custom coloring page featuring large outline letters to color and decorate.
Open generator →Connect the Dots Generator
Eight connect-the-dots pictures across three difficulty levels. Features faint outline guides for younger children and dots only for older kids.
Open generator →Printables
Worksheets, tracing lines, mazes and dot-to-dots in A4.
Browse printables →
Surface Marker Buoy for Marine Safety
Safety equipment forms a crucial part of ocean diving operations to ensure visibility above the water line. This tall surface marker buoy includes an elongated inflatable float body, a lower attachment handle, and a thick tether line connected to the diving crew below. As divers ascend toward the surface, deploying this marker signals boat captains to stay clear of the immediate area.
How Inflatable Signal Tubes Keep Divers Safe
Surface marker buoys, often called delayed surface marker buoys or safety sausages, are inflated underwater using air from a diver regulator or dedicated inflation valve. Once filled, the buoyant tube shoots to the ocean surface while remaining attached to a hand reel held by the diver. Bright fluorescent colors and reflective tape on top ensure high visibility even in rolling ocean swells and bright daylight.
High-Visibility Colors of Marker Buoys
- Inflatable tube body: neon orange, bright red, or high-visibility yellow
- Reflective top band: silver white or glowing yellow
- Tether line rope: high-visibility yellow, orange, or white nylon
- Bottom handle and attachment loop: black webbing or heavy red plastic
- Line reel spool: bright yellow, neon pink, or solid black plastic