Garmin Descent Mk3i 51mm Ti/BLK Dive Computer
Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water. SUBWAVE SONAR-BASED DIVER MESSAGING (COMING SOON). UP TO 66 HOURS OF BATTERY LIFE IN DIVE MODE.CHOOSE FROM MULTIPLE DIVE MODES.DIVEVIEW COLOUR MAPS WITH DEPTH CONTOURS AND DIVE SITES.USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION.BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER.Pair with our Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network. Exchange preset diver-to-diver messages (coming soon) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres. This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive. Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather. Colour maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented. With its bright 1.4′′ AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.
Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water. SUBWAVE SONAR-BASED DIVER MESSAGING (COMING SOON). UP TO 66 HOURS OF BATTERY LIFE IN DIVE MODE.CHOOSE FROM MULTIPLE DIVE MODES.DIVEVIEW COLOUR MAPS WITH DEPTH CONTOURS AND DIVE SITES.USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION.BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER.Pair with our Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network. Exchange preset diver-to-diver messages (coming soon) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres. This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive. Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather. Colour maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented. With its bright 1.4′′ AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.
Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water. SUBWAVE SONAR-BASED DIVER MESSAGING (COMING SOON). UP TO 66 HOURS OF BATTERY LIFE IN DIVE MODE.CHOOSE FROM MULTIPLE DIVE MODES.DIVEVIEW COLOUR MAPS WITH DEPTH CONTOURS AND DIVE SITES.USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION.BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER.Pair with our Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network. Exchange preset diver-to-diver messages (coming soon) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres. This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive. Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather. Colour maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented. With its bright 1.4′′ AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.
Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water. SUBWAVE SONAR-BASED DIVER MESSAGING (COMING SOON). UP TO 66 HOURS OF BATTERY LIFE IN DIVE MODE.CHOOSE FROM MULTIPLE DIVE MODES.DIVEVIEW COLOUR MAPS WITH DEPTH CONTOURS AND DIVE SITES.USE THE DIVE READINESS TOOL TO INFORM YOUR PREPARATION.BUILT-IN LED FLASHLIGHT WORKS ABOVE OR BELOW WATER.Pair with our Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network. Exchange preset diver-to-diver messages (coming soon) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 metres. This Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive. Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather. Colour maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented. With its bright 1.4′′ AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep.
in 3 offers
The lowest price for Garmin Descent Mk3i 51mm Ti/BLK Dive Computer right now is $2,849.00 at Garmin Marine - Charts & Maps, compared across 3 retailers.
The all-time low was $2,095.00 on 30 Mar 2025 — today's price is 36% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 Oct 2026.
Last updated at 05/10/2026 18:47:20
Garmin Descent Mk3i – 51 mm, Carbon grey DLC titanium with black silicone band
Free delivery between 15–20 Oct
Garmin Descent MK3i 51mm Wrist Dive Computer - Ti/BLK
Delivery between 6–13 Oct $14.99
Garmin Descent Mk3i - 51mm Carbon DLC Titanium ($2449) | ODG Australia, Yes (+$799)
Free delivery between 7–14 Oct
| Maximum Depth | 660 feet (200 m) |
| Depth Rating | 200 meters |
| Maximum Operating Depth | 200 metres (dive activity) |
| Safety Features | Diver Assistance Mode |
| Safety Stop | Yes |
Garmin Descent Mk3i – 51 mm, Carbon grey DLC titanium with black silicone band
Free delivery between 15–20 Oct
Garmin Descent MK3i 51mm Wrist Dive Computer - Ti/BLK
Delivery between 6–13 Oct $14.99
Garmin Descent Mk3i - 51mm Carbon DLC Titanium ($2449) | ODG Australia, Yes (+$799)
Free delivery between 7–14 Oct
| Maximum Depth | 660 feet (200 m) |
| Depth Rating | 200 meters |
| Maximum Operating Depth | 200 metres (dive activity) |
| Safety Features | Diver Assistance Mode |
| Safety Stop | Yes |
