A jewel-like capsule that elevates guests high above Quantum Class ships, giving them spectacular views of the ship, sea and destinations that we visit.

The name of a scuba diving program available to guests.

Only hyphenate when using ice skating as an adjective, as in ice-skating rink / ice-skating performance. 

Note that the O in H2O is the letter “O” and not the numeral zero.

Zip Line

The venue is written as a proper noun with capital initial letters.

As a verb, it is written as a single word:
“He wants to zipline across the jungle.”
“They went ziplining in the afternoon.”

To reference a zip line in a destination like “ride a zip line in Belize,” use zip line as two separate, lower case words.

When used as an adjective, the two words should be hyphenated.

“They enjoyed beautiful zip-line views.”
“Experience zip-line thrills available nowhere else.”

To reference the zip line in Labadee, use:

Dragon’s Breath Flight Line℠

Mini golf is the name of the game or the activity of playing golf

mini-golf course (note the hyphen when used as a modifier).