What restaurants are nearby?
On the same lakeside road, 5 minutes away by walking from Manatee in the Moon there is a camp ground Laguna Azul which is under renovation and has new owners so the restaurant was closed as of September 2015. You can canoe there and tie your boat to one of the docks.
Pedro Santos bakery serves food in the late afternoon and evening.
Limones, (10 km north) has a great fish and seafood restaurant and little taco stands
Buenavista (10 km south) has a nice fish restaurant located at the Balnerio (public lakeside park) and also a restaurant on the highway.
Bacalar has several nice restaurants and smaller taco stands. Ask your hosts for recommendations.