This is a really specific review, but if Internet speed is important to you, this is the one you want to read.
The WiFi here consistently gave me over 300 Mbps, both upload and download speeds. If you're like me and you're working remotely from MV for a week, the Island Inn will work amazingly well.
Otherwise it's a perfect decent 3 star inn. The kitchenette in my room was solid with a spacious fridge. The beds were comfy. The staff was nice, and the location is really convenient to the bigger towns on the island.
The restaurant up the street is an easy walk and decent enough food.
And the Internet is literally the fastest hotel Internet I've ever experienced. Amazing. I'm here in the off season so maybe it gets more congested in the summer, but still!