Coconut Grove is a little slice of heaven. With beautiful sunrises from the veranda, you can hear and see the shore birds wake up as the island comes alive all around you. Coconut Grove is off the beaten path of Caye Caulker and much more quiet than down town. I would suggest renting bikes to get back and forth from town. The bed is comfortable, there is an wonderful outdoor shower, and there are enough pots, pans, and burners on the stove to make dinner with ease. There is no A/C or television (but yes there is WiFi) so be ready for a true Caribbean experience.
There is also a guest book with thoughts from the owners and renters to which I would recommend both reading and adding. Enjoy it. We did!