We stayed at Magma Studio III 4 nights, and our experience couldn't have been better. Anna received us at the tourism agency and organized a transfer to the apartment for free. She was sooo useful during our entire stay, providing advice for restaurants, places to visit, facilitating rentals of car/quad. The apartment is big, very clean, and very convenient. 10mn by foot from Adamas, which is great to go for dinner in the evening or even to the beach (5mn walk) if you don't have a car or a quad. Otherwise, the island is very easy to visit with a car or a quad.
The bed is very confortable, the apartment comes with everything you need, even some wine and snacks were provided as a welcome! I highly recommend this apartment.