The phrase "available next to" is correct and usable in written English.
It can be used to indicate the proximity of an item or option to another item or location.
Example: "The new software update is available next to the download section on our website."
Alternatives: "located beside" or "found adjacent to".
Barclays Cycle Hire is available next to the Guardian offices on Crinan Street.
A link to text the call number to your mobile device is available next to the call number of each item on an individual record.
Complimentary manual wheelchairs and stools are available next to the elevator on the ground floor, on a first-come, first-served basis.
The parade did not seem to have as many spectators as in years past, and spots were readily available next to the metal barricades that lined the curbs along the avenue.
And Wi-Fi will be available, next to a pastry and coffee bar, when a new Mercedes-Benz dealership opens a short walk down 11th Avenue, at West 54th Street, early next month.
At the airport, in 24-hour convenience shops and in regular bookstores, political books about the Communist party, the People's Liberation Army and individual leaders were readily available next to milk powder and traditional medicines, two of the other items particularly sought-after by Chinese tourists.
However, a change in Football League rules means that option will not be available next season to a Watford side that is under a transfer embargo until 31 August.
Look for links to available syllabi next to the Enrollment Information for each class.
Phil Spector's legendary Christmas album is available for next to nothing at Amazon.com.
Our reservation was honored, but the only table available was next to the front door, where customers came and went continually.
Don't worry, they should be available for next to nothing.
