What are some good fake island names?

Answer 1

Neverland. (Peter Pan's island) or perhaps Nim's Island? (Part of a movie.)

Or the island on which Alex was trapped with the Black Stallion in the book, The Black Stallion? Or Gulliver's Island, but I've never read or seen that :)

Answer 2

1. Azure Harbor Isle
2. Crystal Cove Key
3. Emerald Haven Atoll
4. Serenity Bay Peninsula

Answer 3

Here's a link to show you how writers invent place names for their stories.