2 places ranked

Working from
agios ioannis diakoftis

Ranked by the broadband measured at each address, worst-metric first, so the ones you can take a call from are at the top.

0 of the 2 listed here are call-ready.

Ranked

Hotel	#	Verdict	Down	Up	Ping	Tests
Enigma Hideaway Suites Mykonos	1	Workable	87.9	11.2	28	101
Villa Skyline Mykonos	2	Tethering territory	115.4	13.0	160	19

Upload is emphasised because it decides whether your video call holds, and it is the column no hotel will tell you.