Help me choose
Our pick: Dolphin Cayman
Dolphin Cayman is the Pool Express pick in this matchup. Dolphin Cayman includes a large-debris bin or bag for leaves. Dolphin Cayman weighs 14.6 lb versus 20 lb.
Max-Series
Dolphin Cayman
Inground and above-ground pools up to 40 ft that need floor and wall cleaning.
Nautilus
Dolphin Nautilus CC Plus
Inground and above-ground pools up to 50 ft that need floor and wall cleaning.
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 Nautilus CC Plus: our take
Dolphin Cayman and Dolphin Nautilus CC Plus 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 is rated for pools up to 40 ft; Dolphin Nautilus CC Plus is rated up to 50 ft. 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 Nautilus CC Plus lists 2 active brushes and CleverClean navigation.
Filtration and debris
Dolphin Cayman includes MaxBin; Dolphin Nautilus CC Plus includes Standard filter. 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 Nautilus CC Plus provides a weekly timer and smartphone control. Dolphin Cayman uses a 50 ft corded cable, while Dolphin Nautilus CC Plus uses a 60 ft corded cable with an anti-tangle swivel. Dolphin Cayman is listed at 14.6 lb versus 20 lb for Dolphin Nautilus CC Plus; that 5.4 lb difference matters when lifting the robot from the pool.
Price, warranty and the decision
Dolphin Cayman is listed at $1,079 and Dolphin Nautilus CC Plus at $949; Dolphin Nautilus CC Plus is $130 less. Dolphin Cayman lists a 2-year warranty compared with 2.5 years for Dolphin Nautilus CC Plus. Pool Express pick: Dolphin Cayman. Dolphin Cayman includes a large-debris bin or bag for leaves. Dolphin Cayman weighs 14.6 lb versus 20 lb. Choose Dolphin Nautilus CC Plus when it is the better fit for shoppers prioritizing the lower $949 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 Nautilus CC Plus |
|---|---|---|
| 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 | YesEdge | No |
| Automatic scheduling | Yes | Yes |
| Smartphone app | No | YesEdge |
| Anti-tangle swivel | No | YesEdge |
| 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 inground and above-ground pools up to 40 ft that need floor and wall cleaning.
- Includes a large-debris bin or bag for leaves
- Weighs 14.6 lb versus 20 lb
Where Dolphin Nautilus CC Plus stands out
Dolphin Nautilus CC Plus is the better fit for shoppers prioritizing the lower $949 starting price.
- Uses 2 active brushes instead of 1
- Adds smartphone control
- Uses an anti-tangle swivel cable
- Carries a 2.5-year warranty instead of 2 years
Dolphin Cayman vs Dolphin Nautilus CC Plus 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 Nautilus CC Plus |
|---|---|---|
| Best fit | Inground and above-ground pools up to 40 ft that need floor and wall cleaning. | Inground and above-ground pools up to 50 ft that need floor and wall cleaning. |
| Starting price | $1,079 | $949 |
| Pool type | Inground, Above-ground | Inground, Above-ground |
| Maximum pool length | Up to 40 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls |
| Power | Corded | Corded |
| Filtration | MaxBin | Standard filter |
| Scheduling | Weekly schedule | Weekly schedule + app |
| App and remote | Power-supply controls | App control |
| Cable | 50 ft | 60 ft with anti-tangle swivel |
| Robot weight | 14.6 lb | 20 lb |
| Warranty | 2 years | 2.5 years |
Choose Dolphin Cayman
Dolphin Cayman is the Pool Express pick in this matchup. Dolphin Cayman includes a large-debris bin or bag for leaves. Dolphin Cayman weighs 14.6 lb versus 20 lb.
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