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Sea Butterflies: Tiny Wonders of the Ocean in Myrtle Beach

Two sea butterflies with translucent shells swimming in dark water.

The waters off Myrtle Beach, South Carolina, are home to countless fascinating marine creatures, and among the most unique are sea butterflies. Also known as pteropods, these tiny marine snails use wing-like flaps to “fly” gracefully through the water, earning them their delicate name. Though small, sea butterflies play an important role in the ocean’s ecosystem, serving as a food source for fish, seabirds, and even whales.

Sea butterflies are not only beautiful but also serve as indicators of ocean health. Because they have thin, fragile shells, they are especially sensitive to changes in water temperature and acidity. Spotting these creatures is a reminder of how interconnected the ocean’s ecosystem is and how every species, big or small, contributes to its balance. When you set out on a dolphin watch or eco cruise from Crazy Sister Marina in Murrells Inlet, you’re stepping into a world where even the tiniest animals, like sea butterflies, play a vital role in the marine environment.

Salt Water Marsh Eco Tour in Myrtle Beach, SC | Visit Murrells Inlet

For those visiting Myrtle Beach, seeing sea butterflies may not be as common as spotting dolphins or catching flounder, but just knowing they’re out there adds depth to your adventure on the water. These creatures are often hidden in the ocean currents, drifting among plankton and bait fish. Whether you’re cruising the inlet, fishing offshore, or simply enjoying the coastal beauty, every trip with Crazy Sister Marina offers the chance to connect with the diverse life that makes the South Carolina coast so special.

Exploring the waters of Murrells Inlet is about more than just catching fish—it’s about discovering the magic of marine life in all its forms. From playful dolphins to delicate sea butterflies, every outing is a reminder of the wonders beneath the waves. Next time you book a charter or rental with Crazy Sister Marina, take a moment to imagine the hidden world of sea butterflies fluttering just below the surface of the Atlantic.

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From $32
  • Excursions
  • 2 hours
  • All ages

Saltwater Marsh Eco Excursion

Discover Murrells Inlet and its beautiful saltwater marsh estuary as we navigate the tranquil waters observing native and migratory birds and underwater sea-life guided by a naturalist. While onboard, guests participate with a live demonstration that includes local crabs and pulling a sample dredge from the bottom of the creek bed directly into the touch tank for all to observe.

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