Dolphin Nautilus Pool Up
#21 in CordedFull review
A budget floor-and-wall robot for small pools, if you can live with a bottom-access filter bag.
Leslie's $494.10$494.10
3.4/5
For large in-ground pools with heavy debris where pump power matters more than price.
- 50 ftPool size
- To waterlineCleans
- 1 yearWarranty
Check price at Maytronics$1,599
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Strongest pump in the Nautilus line at 5,000 gph
- Cleans floor, walls and waterline of 50 ft pools
- Combined filter plus an extra ultra-fine kit
- App control and weekly timer
Cons
- Most expensive Nautilus
- One-year warranty
- Over 22 lb to lift out
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Pool | |
|---|---|
| Pool size (rated) | Up to 50 ft long |
| Pool types | In-ground |
| Cleaning | |
| Cleans | Floor, walls and waterline |
| Surface skimming | No |
| Filter | Combine Filter Kit, top access; extra Ultra-Fine Filter Kit in the box |
| Water flow | 5,000 gal/h |
| Power | |
| Power | Corded |
| Run time | Longest cycle 2 h |
| Swivel cable | Yes |
| Navigation & app | |
| App | Yes |
| Scheduling | Yes |
| Build | |
| Weight | 22.6 lb (10.2 kg) |
| Warranty | 1 year |
Alternatives in this type
Dolphin Proteus DX4 Plus
#22 in CordedFull review
Leslie’s mid-range Dolphin for small in-ground pools that need steps and waterline cleaned.
Leslie's $949 Walmart $949$949
Dolphin Nautilus CC Plus Wi-Fi
#24 in CordedFull review
The cheapest Nautilus with Wi-Fi scheduling, for in-ground pool owners who want app control more than waterline scrubbing.
Amazon $849 Maytronics $849$849
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