Complex sentence: Another location on Purtan Bay was identified in the early 21st century, but it is far less than 25 miles from West Point, but seems to more closely meet the stated distance from Jamestown.
Split into simpler sentences: Another location on Purtan Bay was identified in the early 21st century. It is far less than 25 miles from West Point, but seems to more closely meet the stated distance from Jamestown.