Robotic pool cleaner comparison

Dolphin Nautilus CC vs Dolphin Triton PS

A side-by-side comparison of pool fit, cleaning coverage, filtration, controls and the better Pool Express option.

By Brian Williamson, Pool Express product specialist
Updated November 9, 2026

Better alternative

A stronger Pool Express option

Dolphin Nautilus CC and Dolphin Triton PS are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.

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Nautilus

Dolphin Nautilus CC

Inground and above-ground pools up to 33 ft that need floor and wall cleaning.

Listed price $699

View better alternatives

Triton

Dolphin Triton PS

Inground pools up to 50 ft that need floor, wall and waterline cleaning.

Listed price $1,099

View better alternatives

A better alternative

What we recommend instead

Pool Express pick

Dolphin Quantum

Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.

$1,649

Buy Dolphin Quantum

Buying guidance

Dolphin Nautilus CC or Dolphin Triton PS: our take

Dolphin Nautilus CC and Dolphin Triton PS 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 Triton PS is intended for inground pools. Dolphin Nautilus CC is rated for pools up to 33 ft; Dolphin Triton PS is rated up to 50 ft. Dolphin Nautilus CC cleans floor and walls; Dolphin Triton PS cleans floor, walls, and waterline. Dolphin Nautilus CC's documented cleaning system includes 1 active brush.

Filtration and debris

Both models include Basket.

Controls and day-to-day ownership

Dolphin Nautilus CC provides one-touch starts and power-supply controls; Dolphin Triton PS provides a weekly timer and power-supply controls. Dolphin Nautilus CC uses a 50 ft corded cable, while Dolphin Triton PS 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 Triton PS at $1,099; Dolphin Nautilus CC is $400 less. Each lists a 2-year manufacturer warranty. Dolphin Nautilus CC and Dolphin Triton PS each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Quantum. Inground pools up to 50 ft that need floor, wall and waterline cleaning, with fine debris.

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 Triton PS
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	Yes	Yes
Automatic scheduling	No	YesEdge
Smartphone app	No	No
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 Nautilus CC stands out

Dolphin Nautilus CC is the better fit for shoppers prioritizing the lower $699 starting price.

Is listed $400 lower
Cleans floor and walls

Where Dolphin Triton PS stands out

Dolphin Triton PS is the better fit for pools up to 50 ft.

Cleans the floor, walls and waterline instead of stopping below the tile line
Can start on a weekly schedule without a manual launch before every cycle
Uses an anti-tangle swivel cable
Is rated for pools up to 50 ft

Dolphin Nautilus CC vs Dolphin Triton PS 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 Triton PS
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.
Starting price	$699	$1,099
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	Basket
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	Not listed
Warranty	2 years	2 years

Final call

Consider the stronger Pool Express option