Quick answer
In South Dakota, registration is required for: All motorized boats and non-motorized boats over 12 feet on South Dakota waters. Registration is handled by the South Dakota Department of Revenue / County Treasurer, is valid for 1 year, and fees are summarized as DOR base annual classes $18 to $55 before administrative, technology, lien, duplicate, or mailing items; purchase tax or local add-ons may still apply.
Official source: South Dakota Department of Revenue / County Treasurer · Source status: Verified · Last checked in site data: June 23, 2026 · All official state agencies
Vessel Types & Exemptions
In South Dakota, registration is required for: All motorized boats and non-motorized boats over 12 feet on South Dakota waters. There are 2 categories of exempt vessels.
Registration is required for: All motorized boats and non-motorized boats over 12 feet on South Dakota waters
Exempt from registration:
- Non-motorized boats 12 feet and under, canoes, inflatables, kayaks, sailboards, seaplanes
- Vessels from another state for fewer than 60 days
Registration Fees & Costs
South Dakota boat registration fees can depend on vessel length, type, and other agency rules. Current state data summarizes them as DOR base annual classes $18 to $55 before administrative, technology, lien, duplicate, or mailing items. Sales/use tax: 4.5% South Dakota sales/use tax may apply; confirm local, county treasurer, and filing-specific charges before payment. Title fee information: $10 title fee; liens and other DOR/County Treasurer fees can add charges.
| Vessel Class | Reg. Fee | Total |
|---|---|---|
| Non-motorized > 12 ft / electric motor (annual) | $18.00 | $18.00 |
| Motorboat < 19 ft / PWC (annual) | $30.00 | $30.00 |
| Motorboat 19+ ft (annual) | $55.00 | $55.00 |
South Dakota DOR also lists administrative, technology, duplicate, lien, and mailing fees that can apply.
Sales Tax: 4.5% South Dakota sales/use tax may apply; confirm local, county treasurer, and filing-specific charges before payment
Title Fee: $10 title fee; liens and other DOR/County Treasurer fees can add charges
How to Register Your Boat in South Dakota
To register a boat in South Dakota, follow the South Dakota Department of Revenue / County Treasurer process and complete registration before operating on public waters. Title and initial registration are handled through the county treasurer; renewal may be available online or at a DMV Now Kiosk. Registration is valid for 1 year.
Registration can be completed:
- Online services: Use the South Dakota Department of Revenue / County Treasurer portal for services the agency lists online; original documents may still be required for title or ownership transactions.
- In Person: At your local South Dakota Department of Revenue / County Treasurer office
- By Mail: Download forms from the official website
Documents to Check Before Filing
- Completed state registration application form, if the official agency requires one
- Ownership evidence such as a bill of sale, Manufacturer's Certificate of Origin (MCO), title, or prior registration
- Valid photo identification when required by the filing office
- Tax or fee payment documentation where applicable
- Hull Identification Number (HIN) details or inspection when requested by the official agency
South Dakota Boat Title & Title Transfer
South Dakota title rules: All motorized boats and non-motorized boats requiring registration (except canoes, kayaks, inflatables, sailboards). Title application fee: $10 title fee; liens and other DOR/County Treasurer fees can add charges. Title transfer fee: $10.00.
Title required: Yes — All motorized boats and non-motorized boats requiring registration (except canoes, kayaks, inflatables, sailboards)
Title application fee: $10 title fee; liens and other DOR/County Treasurer fees can add charges
Title transfer fee: $10.00
Documents to Check for Title or Ownership Transfer
- Manufacturer's Certificate of Origin (new vessels)
- Previous title (used vessels)
- Bill of Sale
- Valid photo ID
- Apply within 45 days of purchase
For a detailed guide on the title transfer process, see our Boat Title Transfer Guide.
Buying or Selling a Boat in South Dakota
If you are selling a boat in South Dakota, give the buyer a signed bill of sale, current registration records, and any title or ownership documents required by the South Dakota Department of Revenue / County Treasurer. If you are buying, do not rely on the seller's word alone: match the Hull Identification Number (HIN) on the paperwork to the boat and confirm whether liens or title defects exist before paying.
| Transfer item | What to prepare in SD |
|---|---|
| Seller | Signed bill of sale, current registration, and release of interest. If a title document or electronic title release is required, sign or release it exactly as the agency instructs. |
| Buyer | Photo ID, application, payment for registration fees, tax if due, and proof of ownership. Verify the HIN before filing. |
| Title | All motorized boats and non-motorized boats requiring registration (except canoes, kayaks, inflatables, sailboards). Title transfer: $10.00. |
| Tax | 4.5% South Dakota sales/use tax may apply; confirm local, county treasurer, and filing-specific charges before payment. |
For buyer and seller paperwork, use the boat bill of sale template, check how to look for liens, and compare boat title transfer fees by state.
South Dakota Boat Registration Renewal
Validity period: 1 year
South Dakota boat registration renewal follows the same agency channel as initial registration. Title and initial registration are handled through the county treasurer; renewal may be available online or at a DMV Now Kiosk. Renew before the expiration date to avoid operating with expired registration.
For more details, see our Boat Registration Renewal Guide.
Boater Safety Education Requirements
South Dakota does not require a boater safety course for boat operators.
Required: No
Who must complete it: South Dakota does not legally mandate boater education; however, GFP strongly recommends completing a NASBLA-approved course
Accepted courses: SD GFP recommended courses, NASBLA-approved providers
Course cost: Varies by provider
Registration Number Display Rules
Number format: SD 1234 AB
Minimum font height: 3 inches minimum
Font style: Block letters, contrasting color to hull
Placement: Both sides of bow, forward half
Sticker placement: DOR says decals must be mounted on both sides of the boat; follow the current decal instructions issued with registration
For federal rules on registration number display, see our Number Display Rules Guide.
How South Dakota Compares to Neighboring States
| State | Min. Fee | Validity | Title Req. | Sales Tax |
|---|---|---|---|---|
| South Dakota | $18.00 | 1 year | Yes | 4.5% South Dakota sales/use tax may apply; confirm local, county treasurer, and filing-specific charges before payment |
| Iowa | $17.65 | 3 years (May 1 to April 30 cycle) | Yes | 6% state sales/use tax base; local tax or proof-of-tax treatment may affect the final county recorder total |
| Minnesota | $42.10 | 3 calendar years | Yes | 6.875% state sales/use tax base; local tax, title, lien, and transfer charges may also apply |
| Montana | $65.50 | Permanent (one-time fee; no validation decals required starting 2025) | Yes | 0% sales tax |
| Nebraska | $32.00 | 3 years | Yes | 5.5% state sales/use tax base when due; local tax, title, lien, and county transaction charges may also apply |
| North Dakota | $45.00 | 3 years (2026-2028 cycle) | No | 5% North Dakota sales/use tax may apply to boat purchases; confirm taxable value and filing requirements with the state before purchase or registration |
| Wyoming | $40.00 | 1 year or 3 years | Yes | Wyoming state and local sales/use tax proof may be required before county title and WGFD registration are complete |
South Dakota Boat Registration FAQ
How much does it cost to register a boat in South Dakota?
Is boater education required in South Dakota?
Do I need a title for my boat in South Dakota?
What are the age restrictions for operating boats in South Dakota?
Can non-residents operate boats in South Dakota?
How long is boat registration valid in South Dakota?
Start Your Registration
Ready to register your boat in South Dakota? Visit the official South Dakota Department of Revenue / County Treasurer website or use our tools to estimate costs.
Related Resources
This information is provided for reference purposes only. While we strive to keep data accurate and verified for 2026, registration requirements and fees may change. Contact the South Dakota Department of Revenue / County Treasurer at 605-773-3541 for the most current information.