I live in an apartment complex and can't store a gas boat motor can anyone recommend a good motor and supplies?

I live in an apartment complex and can't store a gas boat motor.I am looking at the Minkota Riptide 45 lb thrust on Amazon because I want to use it in saltwater too.I have a 10.8 Portabote.Any thoughts?What else will I need,probably a battery and battery box,charger.Can anyone recommend a good motor, battery and battery box,charger.Thank you amazon.com/gp/product/B002T3QPQ4/ref=ox_…