The airport has two terminals which are connected by an inter-terminal bus running every 10 mn.
There is no direct bus from the Nice airport to Beaulieu. You can reach Beaulieu from the airport in three different ways.
Terminal 1: Gate A2.
Terminal 2: Gate A3.
A trip by taxi from the Nice airport to workshop hotel "La Berlugane". takes only 25 to 45 mn and costs around 60 euros with tip.
Take Bus No. 23 from the Nice airport to the main railway station in Nice (Nice-ville) and follow the instructions below to reach Beaulieu-sur-mer from Nice-ville railway station. The price of the ticket is 1.3 euros. Alternatively, there is a bus going to the "Nice-ville" railway station, with no number but displaying a sign "Nice Gare SNCF Direct". The tickets are on sale at the Bus Station /Car Park Offices. This ticket, which is actually a 1-day pass, is sold for 4 euros and is valid for unlimited travel throughout the day (from 6am to 3am) on all bus routes of the "Ligne d'Azur" network.
Take a bus from the airport to the central bus station (gare routière). From there take bus no. 100 to Menton/Monaco. You should ask the driver to stop at the bus stop "Gare SNCF de Beaulieu". The bus stop is next to the underpass where Bd. General Leclerc crosses the railway line. From the bus stop, walk (50m) to the Beaulieu railway station. To reach "La Berlugane" from the Beaulieu railway station, see below.
In France most railway stations are called "Gare SNCF". Nice has several railway stations, the main one being called "Nice-ville".
Trains take between 7 and 11 mn from Nice-ville to Beaulieu-sur-mer, depending on the number of stops. The full list of stations is: Nice-ville, Nice-Riquier, Villefranche, Beaulieu-sur-mer (note that there is a small tunnel between Nice-ville and Nice Riquier and a big tunnel between Nice-Riquier and Villefranche). Just after leaving Villefranche (coming from Nice) you can see the sea on your right. After you arrive in the Beaulieu-sur-mer station follow the instructions given below to reach the hotel La Berlugane.
Exit the motorway A8 at the first Nice exit (Promenade des Anglais and airport). Follow the road along the sea all the way to the Nice harbor ("Port" signs). From there follow the "Basse Corniche" to Villefranche and Beaulieu. The entrance to Beaulieu is at a traffic light following immediately a service station located on the right of the road. At the traffic light bear slightly left, following signs marked "Beaulieu centre. Eze". Then continue the road which is now taking you through Beaulieu. Pass under a railway bridge. About 300 m after this bridge, there is a sign "N98. Eze bord de mer. Monaco". The road turns left (as indicated by the sign). After a short distance you will see a church on your left. La Berlugane is about 50 m after the church on the left at 14 bd General Leclerc. You can enter and park your car inside.
As you exit the railway station you will see on your right, less than 100m away, the tourist office (office du tourisme).
Walk around it (leaving it on your right hand side) and immediately behind you will find steps leading to a passage under the railway tracks.
Continue straight. You are now on a nice pedestration street whose name "rue du marché" (shown by "x" in the map below) is marked only when you are just about the end of this street.
The end of "rue du marché" has a couple of metal fences intended to prevent cars and motorcycle from accessing it.
Immediately after passing these fences you are on a regular street whose name is not marked. Turn left. After 25m turn right on "rue du port" (shown by y in the map below).
Rue du port is about 50 m long. At its end turn right on Boulevard General Leclerc. Another 50m or so and you are at La Berlugane which is at 14 Bd General Leclerc.
The whole trip takes less than 6 mn.