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 accommodation 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 1.6 km from the hotel, while Fort d'Ambre Reserve is 25 km away.