Aestival

 is an island of impossible sunlight and white, summer-seeming sands. The port is called Lesley's Harbour.

Port description
None.

Location description
"Sun! A great beam of sunlight bathes the island! Squint into the dazzle: far above, there's a hole in the roof.

In that light you see beaches of white-gold sand; trees heavy with bright fruit; the reds and blues and greens of the Surface."