According to Space Perspective, only 20 people have reached similar heights before.
While prices haven't been announced yet, ticket are estimated to cost around at least $100,000 to $125,000.
According to Space Perspective, Spaceship Neptune offers the ability to further research in astrobiology, atmosphere science relative to the climate and air, and astro and solar physics.
The startup signed a lease deal with Space Florida that allows Space Perspective to use NASA's Shuttle Landing Facility, although the company also has a second launch location in Florida and is planning to open more sites around the world.
It has also partnered with nonprofit Space for Humanity for research and Space for Humanity's Citizen Astronaut Program.