Last verified: June 8, 2026
If you just bought a jet ski in South Carolina, the good news is that registering it works almost exactly like registering a boat. You file the same form, pay the same $20.00 registration and title fee, and owe the same casual excise tax. The catch is that the form was designed around a boat with a separate outboard motor, and a jet ski does not fit that mold. Three small fields trip people up, and getting them wrong is a common reason a personal watercraft application comes back.
Here is what makes a jet ski different and how to handle those differences on the BTR-1.
A Jet Ski Is a Boat, as Far as SCDNR Is Concerned
South Carolina requires a title and registration for any watercraft moved by a motor (SCDNR, Titling and Registration). A jet ski has a motor, so it needs both. There is no length exemption and no horsepower exemption that lets a personal watercraft off the hook. The myth that boats under 16 feet skip registration does not apply here, and jet skis are short by design.
So your starting point is the same form every boat buyer uses: the BTR-1, officially the Watercraft/Outboard Motor Application (SCDNR, BTR-1 PDF).
The Form Was Built for Boats With Outboard Motors
Read the title of the BTR-1 again: Watercraft and Outboard Motor Application. The form assumes a typical setup, which is a hull plus an outboard engine bolted to the transom that has its own serial number and gets its own title. Section C describes the boat. Section D describes that outboard motor.
A jet ski does not work that way. The engine sits inside the hull, there is no propeller, and there is no separate motor to title. That single fact changes three answers on the form. Get these three right and the rest is routine.
Difference 1: Vessel Type Is Personal Watercraft
In Section C you tell SCDNR what kind of watercraft you have. A runabout or fishing boat is an open motorboat. A jet ski is not a motorboat at all. It has its own box, Personal Watercraft, and that is the one you check.
This matters beyond a label. The personal watercraft classification is tied to the operating rules covered at the end of this post, so checking the right box keeps your paperwork consistent with how the state regulates the craft.
Difference 2: Propulsion Is Water Jet, Not Propeller
Section C also asks how the boat is propelled. Most boats push water with a propeller, so they check Propeller. A jet ski has no exposed prop. It pulls water in and pumps it back out as a high pressure jet, which is where the name comes from. You check Water Jet instead.
It is a one box difference, but it is the kind of detail a reviewer notices. A craft you described as a personal watercraft should not also be marked as propeller driven.
Difference 3: Engine Drive Is Inboard, and the Motor Section Stays Blank
This is the big one, and it is where most jet ski applications go wrong.
Section C asks for the engine drive. On a jet ski the engine is built into the hull, so the drive is Inboard, not outboard. Check the Inboard box.
Now look at Section D, the outboard motor section. A jet ski has no outboard motor, so Section D stays empty. Do not check an outboard motor type, and do not write the jet ski’s engine details there. The same goes for the motor rows inside the bill of sale in Section H. Leave them blank.
Here is the mistake people make. They see a row of motor fields, they know their Sea-Doo or WaveRunner has an engine, so they copy the jet ski’s year, make, and model into the motor boxes. That tells SCDNR you are titling a separate outboard motor that does not exist. On a personal watercraft the engine is part of the boat and is titled as one unit with it. There is no separate motor title and no separate $10.00 motor title fee. The engine is fully accounted for the moment you check Personal Watercraft, Water Jet, and Inboard in Section C.
The Rest of the BTR-1 Is the Standard SC Process
Once those three fields are correct, a jet ski follows the same path as any other boat:
- One form, one fee. The $20.00 registration fee covers both the registration and the title together (SCDNR, Fees).
- Casual excise tax. You owe 5% of the purchase price, capped at $500.00. A transfer from an immediate family member is exempt, and that exemption is claimed in Section I (SCDNR, Casual Excise Tax).
- County property tax first. If you bought from a private seller already in South Carolina, pay your county property tax on the jet ski, get the paid receipt, then submit to SCDNR. Buy out of state or new from a dealer and the county bills you later instead.
- The HIN still applies. A jet ski carries a hull identification number like any boat, molded into the hull and usually found at the rear. That HIN goes in Section C and again in the bill of sale.
- Mind the 30 day clock. File within 30 days of purchase. A $15.00 late fee hits on the 31st day and climbs to $30.00 on the 61st day (SCDNR, Fees).
- You can ride while you wait. SCDNR gives you 60 days from the date of purchase to operate with temporary documents. Keep your temporary certificate and a copy of the bill of sale on board.
You can mail the completed application, with a check payable to SCDNR, to P.O. Box 167, Columbia, SC 29202, or bring it in person to the SCDNR office at 260 D Epting Lane, West Columbia, SC 29172. If you are unsure which proof of ownership documents your situation needs, call the SCDNR Boating Section at 803-734-3857 before you send anything.
Quick Reference
- Vessel type: check Personal Watercraft in Section C.
- Propulsion: check Water Jet, not Propeller.
- Engine drive: check Inboard.
- Section D (outboard motor) and the Section H motor rows: leave blank.
- No separate motor title and no $10.00 motor title fee. The jet ski is titled as one unit.
- Fees: $20.00 registration and title, plus 5% casual excise tax capped at $500.00, with immediate family exempt.
- Deadline: file within 30 days to avoid the $15.00 late fee, which becomes $30.00 after 60 days.
- Grace period: ride for 60 days from purchase with your temporary documents on board.
After You Register: Riding a PWC in SC
A jet ski also comes with operating rules that a regular boat does not, set out in state law (SC Code 50-21-870). A person under 16 may not operate a personal watercraft unless an adult 18 or older is aboard, or the young operator has passed an approved SCDNR boating safety course. Everyone aboard has to wear a Coast Guard approved life jacket the entire time, the engine cut off lanyard has to stay attached to the operator or a life jacket, and personal watercraft are daytime only, so running one between sunset and sunrise is illegal. You also cannot jump the wake of another vessel within 200 feet of it. Separately, anyone born after July 1, 2007 has to pass an approved boater education course before operating a personal watercraft at all (SCDNR, Boater Education).
For more on the documents that prove ownership when there is no clean title, see our guide on a bill of sale, affidavit, or title in SC. For the surprises that catch first time buyers, read 5 things you didn’t know about registering a boat in SC. For how long approval actually takes, see the SC boat registration timeline, and for the gear you need on board, check the SC boating safety equipment requirements.
Let BoatForms Handle the Form
The whole reason jet ski applications get rejected is that the BTR-1 is built for boats with outboard motors, and it is easy to fill the wrong section. BoatForms handles that for you. Tell it you have a personal watercraft and it checks Personal Watercraft, Water Jet, and Inboard in Section C, and it leaves the outboard motor section blank, so the most common jet ski mistake never happens. It also calculates your capped excise tax and builds a checklist of exactly what to mail. Free to use, no account required.