Between the MARQ Athlete (Gen 2) and Ocean, the MARQ Athlete (Gen 2) comes out ahead in smartwatch mode and ecg, while the Ocean wins on several specs. Overall, the MARQ Athlete (Gen 2) scores 45.3 and the Ocean scores 41.3 on our Mars Score.
Which should you buy?
The MARQ Athlete (Gen 2) edges ahead on the Mars Score (45.3 vs 41.3), but the 4.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the MARQ Athlete (Gen 2) if you care most about smartwatch mode and ecg. The biggest gaps in its favor are smartwatch mode, ecg.
The Ocean similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable gps mode, multi-band gps, solar charging, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Garmin - MARQ Athlete (Gen 2) wins
- ▲Smartwatch mode — 60.00% more. 16 days vs 10 days.
- ▲Has ECG.
Why Suunto - Ocean wins
- No decisive advantages.
Spec comparison
GPS & Sensors
| Spec | Garmin - MARQ Athlete (Gen 2) | Suunto - Ocean |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | truelead | false |
| Pulse Ox | true | true |
Battery
| Spec | Garmin - MARQ Athlete (Gen 2) | Suunto - Ocean |
|---|---|---|
| Smartwatch mode | 16 dayslead | 10 days |
| GPS mode | 30 h | 30 h |
| Solar charging | false | false |
Design
| Spec | Garmin - MARQ Athlete (Gen 2) | Suunto - Ocean |
|---|---|---|
| Case size | 46 mm | 49 mmlead |
| Weight | 92 g | 78 glead |
| Water resistanceⓘ | 10 ATM | 30 ATMlead |
Frequently asked
Spec-level deep dives
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