Rwanda
gold, cassiterite (tin ore), wolframite (tungsten ore),
methane, hydropower, arable land

Saint Helena
fish, lobster

Saint Kitts and Nevis
arable land

Saint Lucia
forests, sandy beaches, minerals (pumice), mineral
springs, geothermal potential

Saint Pierre and Miquelon
fish, deepwater ports

Saint Vincent and the Grenadines
hydropower, cropland

Samoa
hardwood forests, fish, hydropower

San Marino
building stone

Sao Tome and Principe
fish, hydropower

Saudi Arabia
petroleum, natural gas, iron ore, gold, copper