Help me choose
Our pick: Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris.
Nautilus
Dolphin Nautilus CC
Inground and above-ground pools up to 33 ft that need floor and wall cleaning.
ProLine
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
Why Dolphin Premier is our pick
Dolphin Premier
Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves.
$1,999
Buy Dolphin PremierDolphin Nautilus CC or Dolphin Premier: our take
Dolphin Nautilus CC and Dolphin Premier 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
Dolphin Nautilus CC is intended for inground and above-ground pools, while Dolphin Premier is intended for inground pools. Dolphin Nautilus CC is rated for pools up to 33 ft; Dolphin Premier is rated up to 50 ft. Dolphin Nautilus CC cleans floor and walls; Dolphin Premier cleans floor, walls, and waterline. Dolphin Nautilus CC lists 1 active brush. Dolphin Premier lists 2 active brushes, SmartNav 2.0 navigation, and Dual commercial-grade motors.
Filtration and debris
Dolphin Nautilus CC includes Basket; Dolphin Premier includes Standard filter, NanoFilters, Oversized leaf bag, and Multi-Media. Dolphin Premier has the clearer documented edge for fine silt, pollen and sand.
Controls and day-to-day ownership
Dolphin Nautilus CC provides one-touch starts and power-supply controls; Dolphin Premier provides a weekly timer, power-supply controls, and optional remote control. Dolphin Nautilus CC uses a 50 ft corded cable, while Dolphin Premier uses a 60 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin Nautilus CC is listed at $699 and Dolphin Premier at $1,999; Dolphin Nautilus CC is $1,300 less. Dolphin Nautilus CC lists a 2-year warranty compared with 3 years for Dolphin Premier. Pool Express pick: Dolphin Premier. Dolphin Premier cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris. Choose Dolphin Nautilus CC when it is the better fit for shoppers prioritizing the lower $699 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 Nautilus CC | Dolphin Premier |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | Yes | Yes |
| Scrubs the waterline | No | YesEdge |
| Fine-debris filter included | No | YesEdge |
| Large-debris filter | Yes | Yes |
| Automatic scheduling | No | YesEdge |
| Smartphone app | No | No |
| Anti-tangle swivel | No | YesEdge |
| 3-year warranty | No | YesEdge |
| 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 Nautilus CC stands out
Dolphin Nautilus CC is the better fit for shoppers prioritizing the lower $699 starting price.
- Is listed $1,300 lower
- Cleans floor and walls
Where Dolphin Premier stands out
Dolphin Premier is the better fit for pools up to 50 ft.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Adds swappable Multi-Media filtration and an oversized leaf bag for changing debris
- Includes filtration for sand, pollen and other fine debris
- Uses 2 active brushes instead of 1
Dolphin Nautilus CC vs Dolphin Premier 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 Nautilus CC | Dolphin Premier |
|---|---|---|
| Best fit | Inground and above-ground pools up to 33 ft that need floor and wall cleaning. | Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris and heavy leaves. |
| Starting price | $699 | $1,999 |
| Pool type | Inground, Above-ground | Inground |
| Maximum pool length | Up to 33 ft | Up to 50 ft |
| Cleaning coverage | Floor, Walls | Floor, Walls, Waterline |
| Power | Corded | Corded |
| Filtration | Basket | Standard filter, NanoFilters, Oversized leaf bag, Multi-Media |
| Scheduling | One-touch start | Weekly schedule |
| App and remote | Power-supply controls | Power-supply controls |
| Cable | 50 ft | 60 ft with anti-tangle swivel |
| Robot weight | Not listed | 20.3 lb |
| Warranty | 2 years | 3 years |
Choose Dolphin Premier
Dolphin Premier is the Pool Express pick in this matchup. Dolphin Premier cleans the floor, walls and waterline instead of stopping below the tile line. Dolphin Premier adds swappable Multi-Media filtration and an oversized leaf bag for changing debris.
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