With Beaches not unlike Hawaii.
Even Tourist Hotels with Air conditioning.
And a quick airplane hop from Nairobi
Via the Local Airline, East African Airways.
That's swell. But Mombasa being accessible and a possible travel destination doesn't mean anything with respect to why Ann Dunham would want to travel there for childbirth. The world is filled with accessible travel destinations, and I don't see anyone insisting that Obama was born in Venice or Paris or Rio.
Why a city with no international flights where neither she nor her husband had any family, in a third world country halfway around the planet? Instead of, y'know, the hospital down the street in Honolulu?