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Sea-Doo Switch Cruise 21 (2026-)
1 x 300-hp Rotax Jet Engine
Brief Summary
Sea Doo has always been known for its innovative design and engineering when it comes to its exciting PWC line up. With its Switch boats, the company takes the best of its thrilling, performance-based PWC’s and combines that with a pontoon-style platform where the result is an inventive watercraft delivering outstanding performance with multi-person roominess.
Test Results
| RPM | MPH | Knots | GPH | MPG | NMPG | SM | NM | dBa |
|---|---|---|---|---|---|---|---|---|
| 1750 | 2.5 | 2.2 | N/A | N/A | N/A | N/A | N/A | 58 |
| 2000 | 3.5 | 3 | N/A | N/A | N/A | N/A | N/A | 58 |
| 3000 | 5 | 4.3 | N/A | N/A | N/A | N/A | N/A | 66 |
| 4000 | 6 | 5.2 | N/A | N/A | N/A | N/A | N/A | 74 |
| 5000 | 7 | 6.1 | N/A | N/A | N/A | N/A | N/A | 75 |
| 6000 | 16.5 | 14.3 | N/A | N/A | N/A | N/A | N/A | 79 |
| 7000 | 25 | 21.7 | N/A | N/A | N/A | N/A | N/A | 81 |
| 8000 | 39 | 33.9 | N/A | N/A | N/A | N/A | N/A | 84 |
Specifications
| Length Overall |
20' 5" 6.22 m |
|---|---|
| Beam |
7' 8" 2.34 m |
| Dry Weight |
2,675 lbs 1,213 kg |
| Tested Weight |
3,780 lbs 1,714.6 kg with 3 persons and 90% fuel capacity |
| Draft |
19" 5.79 m |
| Person Capacity | 10 |
| Fuel Capacity |
46.5 gal 176 L |
| Total Weight |
3,780 lbs 1,714.6 kg with 3 persons and 90% fuel capacity |
Acceleration Times & Conditions
| 0 to 30 | 13.0 sec |
|---|---|
| Load | Persons & Gear: 740 lbs (336 kg); Fuel: 240 lbs (109 kg) |
| Climate | 79°; 70% humidity; wind: <10; wave: flat; salt |
Engine Options
| Tested Engine |
Rotax 1630 ACE 300-hp ECT |
|---|---|
| Std. Power |
Rotax 1630 ACE 230-hp ECT |
| Opt. Power |
Rotax 1630 ACE 300-hp ECT |
SEA DOO SWITCH CRUISE 21
PWC Meets Pontoon Boat
By Capt. Ken Kreisler
Vessel Inspection
As with every watercraft it designs and engineers, Sea Doo made sure its lineup of Switch PWC’s meets every standard of quality and safety the company has built its foundation on. With its pontoon-like platform, the Switch takes on a different profile and ability to entertain several guests.
A Word About Performance
The DNA of Sea Doo runs deep into providing exciting and outstanding performance across its entire model lineup. With the Switch models, available in 17-, 19- and our 20’5” test boat, that same exhilaration is a major part of the experience once you take the wheel and set out for a day of fun on the water. Whether tubing, skiing, or just zipping along, a memorable time out for all is guaranteed. Our test Switch was powered by a 300-hp Rotax jet engine and the day saw air temperatures at 79° with 70% relative humidity. Wind was mild at a gentle 5 knots.
Using the appropriate controls on the handlebars, we hit a WOT speed of 39 mph at 8000 rpm. During hole shots, we noted 0-10 mph in 2.5 seconds, 0-20 mph in 8.5 seconds, and 30 mph in 30 seconds. Tight turns at speed were adrenaline-charged and under control as were straight speed runs. Past PWC experience is beneficial but with its short learning curve, confidence in all operations of the Sea Doo Switch will quickly find any operator enjoying the thrills and on-water activities to the max.
Summary
Exciting on-water experiences, from in-your-face activities, including tubing and skiing, to a cruising day out aboard a unique, sensational PWC by way of a pontoon platform, is all available at the touch of a button on the motorcycle-like handlebars. With deck and seating space for plenty of guests and participants, the Sea Doo Switch offers opportunities like no other PWC can. Rugged construction, sparkling performance powered by a 300-hp Rotax jet engine and supplying nimble and controlled operations, and with accessories such as a 5.3 gallon semi-rigid cooler, adjustable table, aft floating mat holder, double Bimini top sleeve, and rod holders, among many others, will make any Sea Doo Switch a personal statement of ownership.
Remember, life is better on a boat…especially if it’s on a Sea Doo Switch!
About the Reporting Captains
Experts and Boat Owners
What has set BoatTEST apart from the many video-makers currently on the Internet and Social Media is the fact that for 26 years, only USCG-Licensed captains and experienced boat owners have tested and written our reports and made our videos. We believe that to provide boat owners the information they deserve, only other boat owners – who know the challenges of ownership -- can accurately report on it. It is that level of expertise and ownership experience that goes into every video and Captain’s Report that we publish. Because we know what it is like owning and operating a boat, we can pass-on the information that prospective boat buyers need to know.

Capt. Trip Smith holds a USCG 100-Ton license and has 22 years of experience navigating various types of boats, such as center consoles, runabouts, wake boats, and cruisers. He now owns a 22’ C-Dory. At 36 years old, he is living the dream of escaping the typical 9 to 5 job and has become a popular boat adventure video creator with over 75,000 YouTube subscribers. Capt. Trip Smith's expertise is evident in his 434 videos, where he shares his experiences spearfishing, collecting scallops, cooking fresh grouper on his boat’s grill, and planning his next adventure. Capt. Trip has an impressive background as a firefighter, outboard engine mechanic, boat rigger, fiberglass repair and restoration expert, and kayak safety teacher.
Captain Boomies (aka Capt. Kate) holds a 200- ton USCG license and worked on superyachts for 20 years, captaining vessels up to 150’ before retiring several years ago. She now is a delivery skipper of all manner of vessels. When not testing boats for BoatTEST, she often can be found taking new yachts off their cargo ships in the port of Baltimore, getting them operational, then delivering them to dealerships. Unbeknownst to dozens of boat owners in the Chesapeake Bay, Capt. Boomies was actually the first skipper of their boats, because she actually delivered them to the dealerships. She is also active in boat instruction and making videos for her personal website. Capt. Boomies believes boating is fun,, and people doing it should not take it too seriously, she always inserts a bit of humor and theatricality into many of the tests she does. But don’t be fooled by that, Capt. Boomies has wrong more saltwater out of their socks than most people every sail over.

Capt. Ken Kreisler is a well-known figure in the marine industry, with extensive experience testing boats for major boating magazines. He has held USCG 100-Ton License for 40 years and has served as a delivery and charter fishboat captain, project manager for two small passenger ferry catamarans, making sure every details met USCG build standards. Capt. Ken is an accomplished writer, having received several BWI awards and the John Burroughs Association certificate of commendation for his children's book, "NATURE SPY," published by Macmillan. He resides with his family on the Shrewsbury River in Monmouth Beach, NJ, where he enjoys boating on his 24-foot Grady White Explorer.