Sharks tend to hang out in the area between sandbars or near steep drop-offs. ... The Atlantic Ocean also has a broader continental shelf than the Pacific, an area that sharks tend to prefer.

Do sandbars protect beaches?

Sandbars appear to protect beaches by causing increased breaking and dissipation of wave energy before the waves can attack the shoreline. ... When a sandbar is near the beach, waves break in shallow water and drive more water onto the shore. This causes flooding and allows the surf to reach dunes and manmade structures.

What are sharks attracted to?

Yellow, white, and silver seem to attract sharks. Many divers think that clothing, fins, and tanks should be painted in dull colors to avoid shark attacks. Blood: Though blood itself may not attract sharks, its presence combined with other unusual factors will excite the animals and make them more prone to attack.