I have asked friends, and no one knows of anything special that is said before snorkeling.
Say when, why, for what? Your question is too vague.
E komo mai
Hawaiians say Aloha which means both hello and goodbye. aloha
They had a monarchy government.
No.
The word is "no" such as "no 'oia" (for him) or "no `oukou" (for all of you guys)"
The correct phrasing would be "I am going snorkeling" or "I am going snorkelling," depending on the variant of English being used (American English vs. British English). The gerund form "snorkeling" or "snorkelling" is used to indicate the activity of engaging in the water sport of snorkeling. The phrase "I am going to snorkel" is less commonly used and may imply a future action rather than the immediate activity.
Yes, Hawaiians can vote.
Hawaiians are Mongoloid.
The Hawaiians had no leprosy.
The Hawaiians was created in 1974.
They were developed separately.