Grace Alone adalah kapal pesiar motor dengan panjang 34.0m. Pembuat yacht adalah Custom Line dari Italia yang mengirimkan superyacht Grace Alone pada tahun 2005. Superyacht memiliki panjang 7,08m, draft 1,65m, dan volume 213 GT.
The flybridge yacht, previously named ThalySSa, features exterior design by Zuccon International Project, while her interior was penned by Zuccon International Project, with naval architecture by CRN Spa. The Custom Line 112 yacht Grace Alone has a grp hull and grp superstructure. She is powered by 2 MTU engines, which give her a cruising speed of 25.0 kn and a top speed of 28.5 kn. The yacht has a speed of 25.0 kn. The yacht carries 18,000 liters of fuel on board, and 3,000 liters of water.