Portorosa is a thoroughbred horse born in Australia in 2020. Race horse Portorosa is by Not A Single Doubt (AUS) out of Laguna Azzurra (JPN) , trained by Annabel Neasham. Portorosa form is available here. Owned by Ms S J Nuttall, Mrs S A Cameron, Dr E K Attebo, Mrs L Fung, Dr A L Attebo, Mrs J S Randall, Mrs J G Madden, Mrs C M Cook, Flarvvmm (Mgr: Ms R Ryan) & TFI Diamond (Mgr: Miss S Williams).