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Product Information
The Scubapro Surface Marker Buoy, PVC, Orange, 4.3 ft is a compact signaling device built for divers who need a dependable way to mark their position on the surface, whether at the end of a dive or during a safety stop. It measures 4.3 feet (130 cm) long with a 6.5 inch (16.5 cm) diameter, ships with a 20 foot (6 m) tether, and uses an open-ended design with integrated lead weights to stand upright in the water.
Who it is for
This SMB suits recreational divers, technical divers, freedivers, and dive professionals who want a high-visibility marker that stows small and deploys fast. The folding design packs into a included nylon pouch for easy storage in a BC pocket or on a D-ring, then unpacks underwater for rapid inflation when it is time to signal a boat or shore.
Key details
- Length: 4.3 feet (130 cm)
- Diameter: 6.5 inches (16.5 cm)
- Tether: 20 feet (6 m)
- Construction: PVC with heat-fused (HF welded) seams
- Product weight: 0.8 lb
- Finish: high-visibility orange with white "Diver Below" text and the SCUBAPRO logo
What's in the box
- SMB unit
- Nylon storage pouch with clip
- Lead weights (integrated)
- Tether (20 ft / 6 m)
DiveCatalog.com is an authorized Scubapro dealer and a dive shop based in Irvine, California since 2003. Call 888-701-4017 or chat with us if you have questions about tether length, sizing, or how this SMB fits your dive setup.
- Compact fold: Open-ended design that collapses into a nylon pouch for easy stowing while diving.
- Fast deployment: Unpacks underwater and inflates quickly for simple inflation and deflation.
- Integrated weights: Lead weights at the bottom keep the buoy standing upright in current.
- Durable build: PVC construction with heat-fused (HF welded) seams.
- Attachment ready: Includes a nylon carrying pouch with a clip for attaching to a BC.
- High visibility: Orange body with white "Diver Below" text and the SCUBAPRO logo.
- Versatile use: Suitable for recreational, technical, freediving, and professional applications.
- Tether included: Comes with a 20 foot (6 m) tether for surface signaling.
| Length | 4.3 feet (130 cm) |
| Diameter | 6.5 inches (16.5 cm) |
| Tether | 20 feet / 6 meters |
| Product Weight | 0.8 lb |
| Packaged Dimensions | 50 in L x 6.3 in W x 0.08 in H |
| SKU / Model Number | 40.314.000 |
| Material | PVC with heat-fused (HF) seams |
| Marketing Product Type | Accessories, Other |
| Activity | Recreational |
- SMB unit
- Nylon storage pouch with clip
- Lead weights (integrated)
- Tether (20 ft / 6 m)
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
How long is the tether that comes with this Scubapro SMB?
This SMB ships with a 20 foot (6 meter) tether, which is enough length for most surface signaling situations during a safety stop or at the end of a dive. This SMB ships with a 20 foot (6 meter) tether for surface signaling at the end of a dive or during a safety stop.
Do I need to add my own weight to this SMB?
No, this surface marker buoy comes with integrated lead weights built into the bottom of the unit. These weights help the buoy stand upright and stable in the water once inflated, so no separate weight purchase is needed.
Can this SMB be used for technical diving or freediving, not just recreational dives?
Yes, Scubapro lists this surface marker buoy as suitable for recreational, technical, freediving, and professional applications. Its open-ended inflation design and PVC construction with heat-fused seams make it durable enough for a range of diving disciplines.
How does this SMB attach to my BC when not in use?
The buoy folds down into its included nylon storage pouch, which has a clip for attaching directly to a BC D-ring or pocket. This keeps the SMB compact and accessible until you need to unpack it underwater for rapid deployment.














