Polynesian:
* Hawaiian: Mahalo
* Samoan: Fa'afetai
* Tongan: Malō
* Tahitian: Mauruuru
* Cook Islands Māori: Meitaki ma'a
Melanesian:
* Fiji: Vinaka
* Papua New Guinea (Tok Pisin): Tenkyu
* Solomon Islands: Tankiu
* Vanuatu: Tangkyu
Micronesian:
* Guam (Chamorro): Si Yu'os Ma'ase
* Northern Mariana Islands (Chamorro): Si Yu'os Ma'ase
* Palau: Mesebech
* Marshallese: Kommol tata
Other:
* Easter Island (Rapa Nui): Ātanga
Note:
* Some islands may have multiple languages spoken, and variations in pronunciation and spelling can exist.
* In some languages, "thank you" can be expressed more formally or informally depending on the context and relationship between the speaker and listener.
Remember that these are just a few examples, and there are many other languages spoken in the Pacific Islands. It's always good to research the specific language of the island you're interested in for the most accurate and respectful expression.