Despite being a small community, Fish Lake Valley has several lodging options.

Several options on AirBnB, VRBO, and other short term rental options exist.
The Esmeralda RV Park (which is at the Esmeralda store) has tent space, RV space, and cabins that can be rented.
Much of Nevada is federal land, in particular BLM and USFS. Generally speaking, dispersed camping is allowed anywhere on these lands. Please be respectful of the next camper, pack out your trash, and be aware of fire restrictions.