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Best for Large In-Ground PoolsDolphin Sigma
Maytronics' flagship: full floor/wall/waterline coverage up to 50 ft, gyroscope navigation, and a 3-year warranty.
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Best Robotic Pool Cleaners for Large Pools
Models confirmed for 46 ft or longer, where corded reliability usually wins.
For pools of 46 ft or longer, coverage and reliability tend to matter more than the convenience of going cordless — a battery that comfortably covers a 30 ft pool may need to recharge mid-cycle on a much larger one. See our cordless vs. corded guide for that tradeoff in more detail.
Every model below has a manufacturer-confirmed maximum pool length of 46 ft or more.
5 models in our catalog currently match this — pulled live from the same verified data on each product's own page.
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Dolphin Premier
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Dolphin Quantum
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Dolphin Nautilus CC Pro
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