Is It a Groin or a Jetty?

We used to have groins on Pawleys Island before beach renourishment began. The groins began on the south end of the beach and were spaced about four houses apart all the way up to the pier. Groins are engineered to go out to the sea and prevent erosion from waves coming in at an angle. I’m not an engineer and can’t explain the pros and cons of groins, but it can be a hot topic.

This is a groin on Pawleys Island.

We don’t have jetties on Pawleys Island, but there is one at Huntington Beach State Park in Murrells Inlet. A jetty is much bigger than a groin. It is used to help control currents and provides protection for a channel at an inlet. They are also used to help prevent beach erosion.

Because of beaches closing for social distancing, I haven’t been able to spend time on the beach for weeks. The last time I was on the beach the groins had disappeared. I don’t know if they are buried under the ‘new’ sand. If so, will the reappear one day? Once I discover the answer, I’ll be sure to share it with you.

Stay safe my friends!

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