South Carolina’s coastline draws millions of visitors every year. From the wide sandy stretches of Myrtle Beach to the quieter barrier islands farther south, the state’s beaches offer warm ocean water, salty breezes, and long summer sunsets that make the shoreline one of the most popular vacation destinations in the Southeast. Most travelers expect sunshine, surf, and the occasional seagull stealing snacks from a beach towel. What many visitors do not expect are the tiny biting insects that can quickly turn a relaxing evening on the coast into an itchy, frustrating experience.
These nearly invisible pests are commonly known as no-see-ums. The name itself hints at the challenge they present. They are so small that people rarely notice them until the itching begins. A beachgoer might spend a peaceful hour walking along the shoreline at dusk, only to discover dozens of small red bites appearing later that evening. The irritation often seems mysterious, especially for visitors unfamiliar with coastal environments.
Despite their size, no-see-ums are among the most persistent biting insects along the South Carolina coast. Their presence is closely tied to the coastal ecosystems that make the region so beautiful. Marshlands, tidal flats, and warm humid air create ideal breeding conditions for these insects, allowing them to thrive throughout much of the warmer months…