Specifications
| Brand | Dolphin |
|---|---|
| Pool Type | In-Ground/Above-Ground |
| Power Source | Cordless Battery |
| Max Pool Length | 33 ft |
| Cycle Time | 2 hr |
| Weight | 24.3 lb |
| Dimensions | 10.4 x 17.2 x 15.8 in |
Pros
- Handles fine debris well
- Works for both pools
- Faster cleaning cycles
Cons
- Limited coverage length
- Thin maintenance details
The Verdict
The Dolphin Cayman robotic pool cleaner is rated 7.9 out of 10 overall, and its 2 hr cycle makes it a good choice for routine floor cleaning in in-ground and above-ground pools. It handles fine debris well, but you may need extra attention in longer layouts because coverage tops out at 33 ft.
Who it's for: Pool owners who want dependable floor cleaning, especially sand and dust, and can accept checking coverage on pools near the 33 ft limit.
Who should skip it: Buyers who want maximum coverage for very long or irregular shapes, or who expect detailed upkeep guidance, since the maintenance details are thin.
In-Depth Review
Performance
The Dolphin Cayman lands at a Performance score of 8.1. That score matches the template line Handles fine debris well. In a robot, that usually means two things: it does not just move larger bits around, and it can keep fine sand or dust from staying in the floor texture.
On paper, the cleaning speed is one of its strongest signals. Dolphin lists a 2 hr cleaning cycle, and the unit is rated for pools up to 33 ft. In practice, that matters for floor debris because a faster complete cycle often means fewer chances for particles to get redistributed or stirred up again before the robot finishes.
For coverage, the extracted spec set is focused on pool size and cycle time, so you will need to judge wall and waterline results by observation in your pool. The specs we have also do not state a filtration level. Still, the product positioning in the segment stays tied to fine debris pickup, which aligns with the score and the expectation of strong floor cleanup across a typical run.
Navigation
With a Navigation score of 7.6, this cleaner falls under the template line Few stalling moments. That is a practical way to think about navigation. It does not need perfect mapping in every pool, but it should not stop and loop in the same zones for too long.
Navigation performance often correlates with how consistently a robot can finish a full floor pass within its stated schedule. Here, the Cayman runs on a 2 hr cycle time and supports pools up to 33 ft. Those limits suggest it is designed for day-to-day coverage on standard in-ground or above-ground footprints rather than long, complex layouts.
Also note what the spec sheet does not confirm. There is no stated filtration level or runtime details in the extracted specs, so you cannot use those numbers to infer how navigation changes the cleaning pace. If your pool has tight corners, multiple transitions, or steps, treat navigation as something to validate during the first few cycles. The good news is that it is already described as having fewer irregular-area problems than basic models in the buying guide.
Durability
Dolphin Cayman scores a Durability score of 7.6, which maps to Strong seals, steady motors. The extracted specs do not list material thickness, warranty coverage, or any seal details. So this pillar has to rely on the most concrete available data: how the unit is built for real repeated use, plus the operational envelope it is designed around.
The unit weighs 24.3 lb, with dimensions of 10.4 x 17.2 x 15.8 in. That size and weight place it in the “liftable but not light” category. For durability, the practical takeaway is handling. You will feel the mass when you rinse the filter basket and when you reset it for storage. Dropping or forcing the robot into a corner too aggressively can shorten life on any model.
Because there is no battery runtime or filtration level data in the extracted specs, we cannot quantify long-term wear from runtime cycles. Still, the cleaner’s cycle is set to finish in 2 hr, which can reduce prolonged operation that some robots experience when they struggle to cover a full floor. That can be a small indirect durability benefit, especially in pools that run multiple cycles per week.
Ease
This is one of the cleaner’s strengths. The Dolphin Cayman hits an Ease score of 8.1, aligning with Simple controls, tidy storage. The buying guide already calls out how easy it is to lift, rinse, and reset. The extracted specs also help you gauge handling.
With a 24.3 lb weight and a compact body at 10.4 x 17.2 x 15.8 in, this is manageable for most owners, even if it is not “one hand only.” The cycle is also short by robotic standards at 2 hr, so the robot is not sitting out of commission for an overly long window while you wait for it to finish.
Setup and cleanup depend heavily on what you do with the debris it collects. The listing mentions a top-loading filter basket, but the extracted specs do not include a filtration specification. The best way to judge ease is to check maintenance access in your first use. If filter access feels narrow or rinsing requires extra steps, that is where this model will either match or miss the ease score.
Value
The Dolphin Cayman scores a Value score of 7.9, which fits Dependable cleaning value. This is not about discounting. It is about whether the known numbers point to reliable floor cleaning without asking you to compromise on time or pool fit.
On the most concrete spec points, it supports in-ground and above-ground pools, with a stated maximum pool length of 33 ft. It also targets a full cleaning cycle in 2 hr. When a robot can finish in a predictable window and fit the majority of typical residential lengths, owners tend to stick with the schedule and keep maintenance consistent.
Value can drop when maintenance expectations remain unclear. The extracted specs we have are thin on filtration level and battery runtime, and the buying guide notes Thin maintenance details as a downside. That matters because owners often decide value after a few cycles. If you cannot quickly understand how often to rinse the filter and how performance changes as debris load rises, the experience becomes less predictable. Within the limits of what we can verify from the spec set, the Cayman still looks like a solid pick for dependable floor cleanup, especially for fine debris.
Frequently Asked Questions
What pool size does the Dolphin Cayman robotic pool cleaner support?
This model works in pools up to 33 ft in length. If your pool is longer than 33 ft, it may not cover the full floor consistently. Measure the longest straight run of your pool before buying.
How long is the cleaning cycle for the Dolphin Cayman?
The cleaning cycle time is about 2 hr. Many owners run it straight through and rely on that single session for a daily or weekly clean. If you have heavy leaf buildup, you may still need extra cycles.
Does this cleaner work for both in-ground and above-ground pools?
Yes, the Dolphin Cayman is listed for in-ground and above-ground pool types. Use it in pools that fit the 33 ft maximum length and have surfaces it can grip reliably. If your pool has unusual shapes or lots of steps, expect more manual repositioning.
Is the Dolphin Cayman truly cordless, and how do I charge it?
It runs on a cordless battery power source. The cleaner is light at 24.3 lb, which makes it easier to carry to the charger and back after use. Follow the charge steps in the manual so the battery stays in good condition.
Will it clean fine sand and small debris, or does it miss them?
It handles fine debris well in typical use, which is a common reason people choose it. In real pools, very fine material can still pile up if you let it build for a long time. For best results, run it on a regular schedule.
What is the biggest limitation people notice with this Dolphin Cayman cleaner?
The most common limitation is limited coverage length. With a maximum of 33 ft, it may not reach or fully scrub every area in longer layouts. Plan your run based on your pool measurements, especially if you have multiple bays or extensions.
Final Verdict
The Dolphin Cayman earns a solid 7.9 for routine pool cleaning. It tackles fine debris well and tends to run faster than many rivals, so you spend less time waiting. Still, the coverage length can limit how completely it reaches larger layouts, and the manual maintenance guidance feels thin. I recommend it for owners of both in-ground and above-ground pools who want dependable daily cleanup and can handle a bit of extra attention for bigger areas.
Review the pool size and shape before buying and plan for some spot checks on far sections. If that matches your pool setup, this is a sound pick.
