This is a great spot for a solo traveler (like myself) or a couple. The cabin is rustic, but perfect if you're looking for a safe and quiet "homebase" to sleep and to keep your stuff while you head out on adventures. I had no issues with the WiFi or when charging my devices. You may want to bring a long charging cord if you like to read/use your phone in bed. The cabin itself does not have a refrigerator, but a cooler to store things. There is, however, a fridge and freezer available to use in the main house. There's a little outside kitchen set up with all the necessary tools.
The area isn't an overly "happening" place - a couple of markets and gas stations, a coffee shop and a small number of restaurants. Be aware that most of the businesses close by 9, so planning ahead for any activities that take you past that time will be necessary.
Renting a car is a must for this area and be prepared to drive wherever it is you want to go. However, the drive is absolutely gorgeous in either direction (towards Kona or Hilo) and there are places to stop and take the pictures your family/friends/colleagues will be jealous of. Moana Loa will feel like a travelling companion to you on your trips to the Volcano National Park and toward anything on the Hilo side of the island. Absolutely gorgeous.
Overall, a great little homebase for your Hawaiian adventures - safe and quiet with the basics that will compliment your trip. Communication with Genevieve and Dan was great and they offered great tips and suggestions.