Help me choose
Residential and commercial pools need different robots
Dolphin Cayman and Dolphin Wave 120 serve different kinds of pools, so there is no honest one-size-fits-all winner. Choose Dolphin Cayman for residential use. Choose Dolphin Wave 100 for commercial use.
Max-Series
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Wave
Dolphin Wave 120
Commercial pools up to 121 ft that need floor, wall and waterline cleaning.
Choose residential and commercial cleaners separately
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
$1,079
Buy Dolphin Cayman
Dolphin Wave 100
Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
$4,699
Buy Dolphin Wave 100Dolphin Cayman or Dolphin Wave 120: our take
Dolphin Cayman and Dolphin Wave 120 can be compared on specifications, but they are designed for different jobs. Start with residential versus commercial use, then use the details below to understand the tradeoffs.
Pool fit and cleaning reach
Dolphin Cayman is intended for inground and above-ground pools, while Dolphin Wave 120 is intended for commercial pools. Dolphin Cayman is rated for pools up to 40 ft; Dolphin Wave 120 is rated up to 121 ft. Dolphin Cayman cleans floor and walls; Dolphin Wave 120 cleans floor, walls, and waterline. Dolphin Cayman lists 1 active brush, SmartNav 2.0 navigation, and Dual 24-volt DC motors. Dolphin Wave 120 lists Commercial-grade motors.
Filtration and debris
Dolphin Cayman has documented included filtration—MaxBin—while the other model's included media is not fully published. Dolphin Cayman also has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Cayman provides a weekly timer and power-supply controls; Dolphin Wave 120 provides no fully published timer, app or remote specification. Dolphin Cayman uses a 50 ft corded cable, while Dolphin Wave 120 uses continuous corded power.
Price, warranty and the decision
Dolphin Cayman is listed at $1,079 and Dolphin Wave 120 at $7,899; Dolphin Cayman is $6,820 less. Each lists a 2-year manufacturer warranty. These robots are built for different jobs, so pool type and facility capacity decide the comparison before individual features do. For a residential pool, the Pool Express pick is Dolphin Cayman. Inground and above-ground pools up to 40 ft that need floor and wall cleaning. For a commercial facility, the Pool Express pick is Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
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 Wave 120 |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | No |
| Large-debris filter | YesEdge | No |
| 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 | Yes | Yes |
| 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 shoppers prioritizing the lower $1,079 starting price.
- Includes a large-debris bin or bag for leaves
- Is listed $6,820 lower
Where Dolphin Wave 120 stands out
Dolphin Wave 120 is the better fit for pools up to 121 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Is rated for pools up to 121 ft
Dolphin Cayman vs Dolphin Wave 120 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 Wave 120 |
|---|---|---|
| Best fit | Inground and above-ground pools up to 40 ft that need floor and wall cleaning. | Commercial pools up to 121 ft that need floor, wall and waterline cleaning. |
| Starting price | $1,079 | $7,899 |
| Pool type | Inground, Above-ground | Commercial |
| Maximum pool length | Up to 40 ft | Up to 121 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | MaxBin | Not listed |
| Scheduling | Weekly schedule | Not listed |
| App and remote | Power-supply controls | Not listed |
| Cable | 50 ft | Not listed |
| Robot weight | 14.6 lb | Not listed |
| Warranty | 2 years | 2 years |
Choose for the pool you operate
Dolphin Cayman and Dolphin Wave 120 serve different kinds of pools, so there is no honest one-size-fits-all winner. Choose Dolphin Cayman for residential use. Choose Dolphin Wave 100 for commercial use.
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