As membership-required club stations such as Costco and Sam's Club (US Only) are often on the outskirts of major metropolitan areas, you may need to use the map feature to locate these stations.
'Search' will show around 50 of the closest stations relative to your search term and can be sorted by price, distance, or distance and price. Try resetting the filters if you’re experiencing issues finding a particular station. You may also want to try searching by zip or postal code to get results more specific to an area.