Uninsured motorist coverage in South Carolina: what every driver needs to know

If you drive along Highway 17, cruise the Boulevard in Myrtle Beach, or commute through Conway and Georgetown, there is a real chance you will share the road with a driver who carries no insurance. Uninsured motorist coverage in South Carolina is one of the most misunderstood lines on a car insurance policy, yet it can be the difference between recovering your losses and paying out of pocket for someone else's mistake. Below is what it means, how state law shapes it, and why it matters more on the Grand Strand than in most other parts of the country.

South Carolina's uninsured driver problem by the numbers

South Carolina consistently ranks among the top ten states for uninsured drivers. Estimates place the uninsured rate between 10 and 14 percent statewide, meaning roughly one in eight vehicles you pass could be carrying no liability coverage. On the coast, those numbers tend to worsen during peak tourist season, when out-of-state visitors and seasonal workers flood the area. Add the high volume of golf-cart traffic, seasonal mopeds, and rideshare vehicles in places like North Myrtle Beach and Surfside Beach, and the exposure grows quickly.

Even drivers who technically carry insurance sometimes hold underinsured motorist (UIM) limits too thin to cover a serious accident. South Carolina's minimum liability limits are low enough that a single hospital stay can exceed them within hours. Understanding both the uninsured and underinsured portions of your policy is necessary for real financial protection.

What South Carolina law actually requires

South Carolina is one of a small number of states that requires uninsured motorist (UM) coverage on every personal auto policy. Under state law, insurers must offer UM at the same limits as your bodily injury liability, and you must reject it in writing if you do not want it. Very few people reject it, and no responsible agent would suggest doing so.

The state minimum liability limits are $25,000 per person / $50,000 per accident for bodily injury and $25,000 for property damage. Your UM coverage defaults to matching those limits unless you purchase higher. The problem is that $25,000 in medical coverage disappears fast. A single emergency room visit with imaging can easily run $15,000 to $20,000 before any follow-up care, surgery, or physical therapy. For a closer look at exactly what the state requires on every policy, see our guide to SC auto insurance minimums.

South Carolina also allows you to choose between two types of UM coverage:

• Uninsured motorist bodily injury (UMBI) covers medical expenses, lost wages, and pain and suffering when an uninsured driver injures you or your passengers.
• Uninsured motorist property damage (UMPD) pays to repair or replace your vehicle when an uninsured driver damages it. UMPD typically comes with a deductible and may not be worth carrying if you already have collision coverage.

Underinsured motorist coverage (UIM) applies when the at-fault driver has some insurance but their limits are not enough to cover your damages. In South Carolina, UIM is offered alongside UM and works on a "difference in limits" basis: if the other driver carries $25,000 in liability and your UIM limit is $100,000, your policy can contribute up to an additional $75,000 after the at-fault driver's coverage is exhausted.

Stacked vs. non-stacked coverage and why it matters on the coast

If you insure more than one vehicle, South Carolina law gives you the option to stack your UM/UIM limits across those vehicles. Stacking multiplies your effective coverage: two vehicles, each with $100,000 in UM, would give you $200,000 of combined protection on a stacked policy. Non-stacked policies keep each vehicle's limit separate.

For families with two or three cars, or for anyone who owns a boat, an RV, or a motorcycle, stacking is worth a serious conversation with your agent. The premium difference is often modest compared to the coverage gain. A coastal household that owns a truck, a golf cart for beach access, and a motorcycle may be leaving significant protection on the table without reviewing stacking options. Many people who contact us about their personal auto insurance have never been asked the stacking question by a previous insurer.

Real scenarios where UM/UIM saves you

It helps to think through what an uninsured motorist claim actually looks like in practice.

The tourist with no coverage

It is July on the Grand Strand. A driver from another state rear-ends you on Kings Highway while you are stopped at a light. The impact causes a herniated disc and keeps you out of work for six weeks. You call the police, exchange information, and discover the other driver has no insurance. Without UM on your own policy, you would need to pursue that driver personally in civil court, which can take years and often results in collecting nothing. With solid UM limits, your own carrier pays your medical bills, your lost wages, and your pain and suffering, then seeks reimbursement from the at-fault driver on its own.

The hit-and-run on Highway 501

Hit-and-run accidents are treated as uninsured motorist events in South Carolina. If a driver clips your car and flees, your UM coverage responds as if they had been uninsured. The only typical requirement is that you report the accident to police promptly and that there is physical evidence of contact, to prevent fraudulent claims. Without UM, a hit-and-run leaves you with no recourse unless you carry collision coverage.

The minimum-limits problem in a serious crash

A seasonal worker rear-ends you near Murrells Inlet and carries exactly the state-minimum $25,000 in liability. Your injuries require surgery and three months of physical therapy, totaling $90,000 in medical bills plus $20,000 in lost income. The at-fault driver's policy pays $25,000 and is exhausted. If you have $100,000 in UIM coverage, your policy pays the remaining $85,000. Without it, you absorb that gap personally.

How much UM/UIM coverage should you carry

The minimum is a floor, not a recommendation. Most agents who work this market suggest at least $100,000 per person / $300,000 per accident in UM/UIM bodily injury coverage as a reasonable baseline for a household with any meaningful assets. If you own a home, have retirement savings, or run a small business, a serious accident that outstrips your coverage can reach those assets directly.

Several factors specific to coastal South Carolina push toward higher limits:

• Seasonal traffic volume. Horry and Georgetown counties see traffic multiply during spring and summer, bringing drivers unfamiliar with local roads and intersections.
• Out-of-state driver share. Out-of-state drivers may carry their home state's minimums, which vary widely and can be lower than South Carolina's already-modest floor.
• Rideshare and gig economy exposure. Rideshare drivers in a personal-use period between trips may carry only personal limits, creating a coverage gap that affects both passengers and other drivers.
• Pedestrian and cyclist density near the beach. A pedestrian or cyclist struck by an uninsured driver can bring a UM claim against their own auto policy in some circumstances. Confirm the details with your agent.

If your underlying auto policy limits feel stretched, pairing them with a personal umbrella policy is one of the most cost-effective ways to extend your total liability and UM protection. A $1,000,000 umbrella typically costs between $150 and $300 per year for most households, and it sits above both your auto and home liability limits.

Common questions about UM/UIM in South Carolina

Does UM cover me if I am a passenger in someone else's car?

Yes, in most cases. If the vehicle you are riding in is struck by an uninsured driver, you may be able to claim under either the vehicle owner's UM policy or your own, whichever provides better coverage. The specifics depend on how each policy is worded, so reviewing both policies before an accident is worth the time.

Can I collect UM and my health insurance at the same time?

Generally, no. South Carolina follows a coordination of benefits approach, and your health insurance usually pays first. UM/UIM can then fill the gap for amounts not covered by health insurance, lost wages (which health insurance never covers), and non-economic damages like pain and suffering. The interaction between your health plan and your UM coverage is one area where a local independent agent can save you money and prevent a coverage conflict.

What happens if I carry collision but no UMPD?

Collision coverage pays to repair your vehicle regardless of who is at fault, minus your deductible. If an uninsured driver hits you and you have collision but no UMPD, your collision claim applies. The downside is the deductible, but you avoid a separate UMPD claim process. Many drivers on the coast who already carry collision choose to skip UMPD for this reason and put their budget toward higher UMBI limits instead.

Does UM apply to accidents in other states?

South Carolina auto policies generally follow you across state lines. If you are driving in North Carolina, Georgia, or Florida and are hit by an uninsured driver, your SC policy's UM coverage typically responds. Confirm the specific language of your policy with your agent, because some out-of-state scenarios can get complicated.

Get the right coverage for South Carolina roads

At Moore and Associates Insurance, we are an independent agency serving drivers all along the Grand Strand and Lowcountry, from North Myrtle Beach and Myrtle Beach down through Murrells Inlet, Pawleys Island, and Georgetown. Being independent means we compare rates and coverage across multiple carriers to find the policy that fits your situation, not one that fits a quota.

If you have not reviewed your UM and UIM limits recently, or if you are not certain whether your policy is stacked or non-stacked, a quick coverage check is worthwhile. A few decisions on your auto policy can make an enormous difference when an uninsured driver crosses into your lane. You can reach us at (843) 839-5076 or request a quote online and one of our agents will walk you through your options without any pressure. We also have a full breakdown of how South Carolina auto insurance requirements work in our complete guide to SC car insurance laws.