All guest rooms in the hotel are equipped with a flat-screen TV. Le Grand Hôtel Diego provides certain units with pool views, and rooms come with a kettle. Guest rooms at the accommodations feature air conditioning and a desk.
A continental, buffet or American breakfast is available daily at Le Grand Hôtel Diego.
There is a travel agency, bank and an ATM on the ground floor of the property. Guests can also book excursions.
Madahoufi Shop (sells European foodstuffs) is 1 mi from the hotel, while Fort d'Ambre Reserve is 16 mi away.