A great white shark sighting closed Nauset Public Beach in Orleans for an hour on Saturday afternoon.
According to officials, the shark was seen about 50 yards off the head lifeguard stand around 4:15 p.m.
Earlier Saturday, another shark was seen swimming in Cape Cod Bay.
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The shark, which is believed to have been between nine and ten feet long, was seen near the surface in the middle of the bay.
No beaches were closed as a result of the sighting.
Saturday's two sightings are just the latest in a busy summer off the coast of Cape Cod. Most recently, a shark was seen eating a seal off Coast Guard Road in North Truro. The incident closed the Head of the Meadow beach.