To date, TANAPA has taken a number of measures to fully utilize the area profitably by improving its marketability as a tourist attraction site in order to generate income as well as revenue for the government. Since 2006, TANAPA has been taking deliberate steps to realize this objective. One of the measures taken was the introduction of limited number of wild animals species (herbivores).
Kabla ya kupandishwa hadhi, Kisiwa cha Saanane kilikuwa Bustani ya wanyama mwaka 1964 kabla ya kupandishwa hadhi kuwa Pori la Akiba mwaka 1991. Ilipofika mwaka 2006, Serikali ilikikabidhi kisiwa hicho kwa Shirika la Hifadhi za Taifa kwa ajili ya kukiendesha na kusimamia mchakato wa kukipandisha hadhi kuwa Hifadhi ya Taifa.