Boating · Field guide · Reviewed July 14, 2026
Boating, paddling, and water safety
Before the boat or board touches the water, run the short list: registration, the Boater Card, life jackets, and conditions.
The short version
The boat, operator, and launch each add a rule
Paperwork comes first: most motorboats need DMV registration, and the operator generally needs a California Boater Card. Carry a fitted life jacket for each person. Then the launch gets the last word, because it can add a mussel check or close the ramp.
What changes the answer: Registration, card, life-jacket, and launch rules change with the boat, operator, water body, and day.
Water is not one kind of place. Ocean, bay, lake, reservoir, river, and delta trips come with different rules and conditions.
A motor makes two early checks likely. Most motorboats must be registered with DMV, no matter how small the motor is. The person at the controls generally needs a California Boater Card too.
California's Boater Card phase-in is complete. Operators of motorized vessels generally need the card regardless of age, but the law lists supervision, vessel, nonresident, rental, commercial, and credential exceptions that need a current check.
A card is only one layer. Registration, life jackets, required equipment, local launch rules, waterbody inspections, weather, and safe operation still matter.
The simple version is this: wear the life jacket, check the wind and water, and do not let a calm morning talk you out of checking the afternoon.
How it works
Registration belongs to the boat
A boat with a motor generally needs California DMV registration, even when the motor or boat is small. A sailboat over eight feet long generally needs it too. Canoes, rowboats, paddle craft, and sailboats under eight feet are among the vessels that can fall outside the rule when they have no motor.
A DMV-registered vessel gets a CF number and registration stickers. The number goes on both sides of the bow. A boat used in fresh water may also need a separate mussel-fee sticker. That sticker is not the same thing as a ramp inspection or local launch seal.
The card follows the motorized-vessel operator
California's age phase-in is over. The general rule now covers motorized-vessel operators of any age. The official exception list covers age and supervision, vessel type, some nonresidents and rentals, commercial work, and certain credentials.
A person under 16 may not operate a vessel with more than 15 horsepower alone. A 12- to 15-year-old may do it only with an attentive person age 18 or older on board who can take control. The Boater Card does not erase that age and supervision rule.
The card shows that the operator met the boating education rule. It does not replace life jackets, other gear, safe operation, or local launch rules.
Life jackets follow the people on board
Carry a wearable, Coast Guard-approved life jacket for every person. A child under 13 must wear one while a recreational vessel is underway unless the child is below deck or in an enclosed cabin. Underway means the vessel is not anchored, moored, or aground. Everyone on a personal watercraft and anyone being towed must wear one too. The statute's emergency-rescue exception does not remove the child wear rule.
Most recreational vessels 16 feet or longer must also carry an easy-to-reach throwable device. Canoes and kayaks are exempt from that added throwable-device rule, even when they are 16 feet or longer. They still need a fitted life jacket for each person, a sound device, and a white light after sunset or when visibility is poor.
The launch can set a separate mussel rule
Water managers can inspect, band, or decontaminate a boat. They can also require a dry quarantine, limit a kind of vessel, or close a launch. The program can differ from one water body to the next.
Cleaning, draining, and drying helps stop the spread of mussels. It does not promise entry. The local manager's current rule controls at the ramp, and the statewide contact list may not show every same-day change.
Conditions matter after launch too
A forecast is a starting point, not a day-long promise. State Parks advises checking weather and water before and during a trip. Wind, surf, tide, river flow, and cold water can change the risk even when the sky looks calm.
A serious accident can start a second clock
Get people safe and call emergency help first. After that, some accidents also need a written report to the Division of Boating and Waterways. The rule covers a death, a missing person, an injury needing care beyond first aid, more than $500 in damage, or the complete loss of a vessel.
The deadline is 48 hours when a person dies within 24 hours, is missing, or has an injury beyond first aid. It is 10 days for a later death, property damage over $500, or a total vessel loss. Boating under the influence is illegal, so put a sober person at the controls before the boat leaves shore.
First moves
- 1
Check whether the vessel needs DMV registration. If it does, confirm the CF number and current stickers are displayed.
- 2
If the boat has a motor, check the Boater Card rule and listed exceptions before launch.
- 3
Carry a fitted, Coast Guard-approved life jacket for every person. Check who must wear one during the trip.
- 4
Look up the launch, marina, or park page for closures, fees, inspections, quarantine or seal rules, and ramp conditions.
- 5
Clean, drain, and dry the watercraft and gear, then check the waterbody's current invasive-mussel requirements before travel.
- 6
Check weather, wind, surf, tide, or river level for the exact water body.
Watch for
- 1
A Boater Card belongs to the operator. DMV registration, CF numbers, and stickers belong to the vessel.
- 2
Kayaks, canoes, paddleboards, and rafts still need safety gear.
- 3
Children under 13, personal-watercraft riders, and people being towed have wear rules, not just carry rules.
- 4
Cold water can be dangerous even when the air feels warm.
- 5
Golden, quagga, and zebra mussel programs vary by waterbody. A launch may require inspection, a seal, decontamination, or a dry quarantine, or may be closed to some vessels.
- 6
A statewide inspection list is a planning aid, not a promise that every local program or same-day change appears there.
- 7
A good morning forecast can turn into rough afternoon wind.
Official sources
Where to confirm this
Use the source that matches the part you need. Current forms, fees, deadlines, maps, and local decisions can change after this guide is reviewed.
Rules vary by vessel, motor, registration, operator age, life-jacket use, water body, launch site, and day. Current DMV and State Parks rules control the statewide layer; local signs and the water manager control the ramp.