President Obama was joined by comedian Larry David Saturday as he hit the links for the fifth round of golf of his Martha's Vineyard vacation.

The "Curb Your Enthusiasm" star arrived with the president at the Farm Neck Golf Club in Oak Bluffs, The Associated Press reported.

It's the second time the president and David have hung out during Obama's eight-day vacation: On Wednesday, the comedian was in attendance at a star-studded cocktail reception hosted at the home of Comcast CEO Brian Roberts. David recently starred in the HBO movie "Clear History," which is set on the tony Massachusetts island.

The president's foursome also includes former U.S. Trade Representative Ron Kirk and private equity manager Glenn Hutchins. 

It's the president's second trip to the Oak Bluffs golf club; he's also played two rounds at the Vineyard Club in Edgartown and the Mink Meadows Golf Club in Vineyard Haven.

Earlier Saturday, Obama and his family went to a private beach on the south side of the island. 

On Friday night, the Obamas took in the annual Oak Bluffs fireworks display from the vacation rental home of White House adviser Valerie Jarrett. It was a late night for the Obamas, who did not return back to their own rental home until after midnight.

Earlier in the day, the first family rode bikes along a trail in the Manuel F. Correllus State Forest, a nature reserve created in an attempt to prevent the extinction of the Heath Hen.  

The White House did not say whether the president was briefed Saturday morning about developments in Egypt, although Obama typically begins his day with a national security meeting. At least 173 Egyptians died Friday in clashes across the country, with a spokesman for the Egyptian government saying it would study whether it could dissolve the Muslim Brotherhood group.  

The Obamas plan to return to Washington on Sunday.