Our pick: Dolphin Cayman
Dolphin Cayman is the Pool Express pick in this matchup. Dolphin Cayman runs from continuous plug-in power without a recharge between cycles. Dolphin Cayman includes a 50 ft cable.
Max-Series
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Liberty
Dolphin Liberty 200
Inground and above-ground pools that need floor and wall cleaning, without a power cord.
Why Dolphin Cayman is our pick
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin CaymanDolphin Cayman or Dolphin Liberty 200: our take
Dolphin Cayman and Dolphin Liberty 200 are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.
Pool fit and cleaning reach
Both robots are intended for inground and above-ground pools. Dolphin Cayman has a published maximum pool length of 40 ft; the other model does not have a verified length in our source material. Each cleans floor and walls, so coverage alone does not separate them. Dolphin Cayman lists 1 active brush, SmartNav 2.0 navigation, and Dual 24-volt DC motors. Dolphin Liberty 200 lists Dual DC motors.
Filtration and debris
Dolphin Cayman includes MaxBin; Dolphin Liberty 200 includes Basket.
Controls and day-to-day ownership
Dolphin Cayman provides a weekly timer and power-supply controls; Dolphin Liberty 200 provides no fully published timer, app or remote specification. Dolphin Cayman uses a 50 ft corded cable, while Dolphin Liberty 200 uses cordless battery power.
Price, warranty and the decision
Dolphin Cayman is listed at $1,079 and Dolphin Liberty 200 at $999; Dolphin Liberty 200 is $80 less. Each lists a 2-year manufacturer warranty. Pool Express pick: Dolphin Cayman. Dolphin Cayman runs from continuous plug-in power without a recharge between cycles. Dolphin Cayman includes a 50 ft cable. Choose Dolphin Liberty 200 when it is the better fit for shoppers prioritizing the lower $999 starting price.
Feature check: what each robot actually has
A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.
| Feature | Dolphin Cayman | Dolphin Liberty 200 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | No |
| Fine-debris filter included | No | No |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | Yes | Not listed |
| Smartphone app | No | Not listed |
| Anti-tangle swivel | No | Not listed |
| 3-year warranty | No | No |
| No recharging between cycles | YesEdge | No |
| Built-in UV-C water treatment | No | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Dolphin Cayman stands out
Dolphin Cayman is the better fit for inground and above-ground pools up to 40 ft that need floor and wall cleaning.
- Runs from continuous plug-in power without a recharge between cycles
- 50 ft cable
Where Dolphin Liberty 200 stands out
Dolphin Liberty 200 is the better fit for shoppers prioritizing the lower $999 starting price.
- Is listed $80 lower
- Cordless, battery powered
Dolphin Cayman vs Dolphin Liberty 200 specifications
Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.
| Specification | Dolphin Cayman | Dolphin Liberty 200 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 40 ft that need floor and wall cleaning. | Inground and above-ground pools that need floor and wall cleaning, without a power cord. |
| Starting price | $1,079 | $999 |
| Pool type | Inground, Above-ground | Inground, Above-ground |
| Maximum pool length | Up to 40 ft | Not listed |
| Cleaning coverage | Floor, Walls | Floor, Walls |
| Power | Corded | Cordless |
| Filtration | MaxBin | Basket |
| Scheduling | Weekly schedule | Not listed |
| App and remote | Power-supply controls | Not listed |
| Cable | 50 ft | Cordless |
| Robot weight | 14.6 lb | Not listed |
| Warranty | 2 years | 2 years |
Choose Dolphin Cayman
Dolphin Cayman is the Pool Express pick in this matchup. Dolphin Cayman runs from continuous plug-in power without a recharge between cycles. Dolphin Cayman includes a 50 ft cable.
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