This odd geographic fact was tripping some people out on social media, back before the virus. Vulcan Point Island, as you can see on Google Maps (but not on Apple Maps currently) is an island.
As you zoom out, you see that Vulcan Point Island is an island in Crater Lake… which is a lake in the Taal Volcano …which is inside a Taal lake …which is a lake on the island of Luzon …which is an island in an ocean.
Extra points: Go to Vulcan Point Island and set up a little swimming pool with a floating island on it, then lie down on that floating island and have a drone film a long continuous zoom out shot into space … starting with a closeup of your eye.
Luzon is the largest and most populous island in the Philippines. While surrounded by water, it is not surrounded by a single named sea:
Luzon island alone has an area of 109,964.9 square kilometres (42,457.7 sq mi), making it the world’s 15th largest island. It is bordered on the west by the South China Sea (Luzon Sea in Philippine territorial waters), on the east by the Philippine Sea, and on the north by the Luzon Strait containing the Babuyan Channel and Balintang Channel. (source)
This place is definitely a hidden gem of earth geography.