Barron Trump's going to have seriously high caliber play dates from here on out ... courtesy of the Secret Service and the U.S. Coast Guard.
The 10-year-old and his friends were hanging at Mar-a-Lago over the Thanksgiving weekend, and the lawn was fully covered by several badasses with BIG guns -- by sea, ground and, we're guessing, air.
Donald Trump's Florida estate presents security challenges because of its accessibility from the water. The Secret Service has said it will deploy more than 920 agents to protect the President-elect, his kids, their spouses and his grandkids.