Melbourne Airport (MEL) Terminal Map

Melbourne Airport has four passenger terminals (T1, T2, T3 & T4) -  international T2,  domestic T1 & T3, and budget / domestic T4, with all but the small T4 being under one roof and connected to each other inside at their Departures level: T1 is to the right; T2 is in the center and T3 is to the left .

If picking up a passenger at the Airport, you can either use the one of the one-minute pickup bays in th forecourt area (follow overhead signs at Arrivals Drive) - or  you can use the 'Ring & Ride waiting zone' (cell phone waiting lot), located in a designated area within the long-term carpark; the first 20 minutes are free & an automated pay station is close by. (Enter through the two long-term carpark gates on Terminal Drive & Center Road.)

Terminal 1 of Melbourne Airport, has three levels & 2 Concourses, and is used for domestic flights of Qantas, Qantas Link & Jetstar.
(a) On the Ground Level (Arrivals) of T1,  Inside are four baggage claim carousels. Outside is the bus stop for Skybus, disabled pick-up zone (15 mins) and T1 Taxi Rank.
(b) On the Mezzanine Level (Concourses & gates) of T1 are Concourse 1(gates 1-12) is for Qantas, with a Qantas service desk and shopping areas; and Concourse 2 (gates 22-30) for Jetstar, with an ATM machine and shopping area.
(c) On the first level (Departures) of T1 are 3 check-in areas for Qantas: 2 for regular service (left) and one (to the right of the center for QantasPremium service.  Jetstar check-in is all the way to the right ,  & shopping areas are right after Security screening in the center, leading to Concourses 1 & 2. 
The left side of this level (near the First Aid counter), leads to Terminal 2, while the 1-min dropoff, Bus Zone & 5-min parking areas are outside of this level.

Terminal 2 of Melbourne Airport, has two levels and is used for international flights by a multitude of international airlines,  T2 has been under significant renovation & expansion, adding a new passenger concourse with two gates and dual-level aerobridges for the A380 aircraft, as well as a new large area to the passenger lounge to include duty-free & specialty shops and a cafe. T2 will have floor-to-ceiling windows and offer maximum comfort and amenities.
(a) On the Ground Level (Arrivals) of T2 is the Arrivals Hall, Information counter, baggage claim, customs check, Customs & Quarantine offices. Outside  is the T2 Taxi Rank, disabled pickup zone (15 mins), the bus stop for V-Line, Metlink, and suburban & regional buses. A walkway leads to Premium Parking and the Parking Garage.
(b) On the First Level (Departures) of T2, at center, are the checkin desks, Security & Customs is in the Concourse, with tax & duty-free shops and airline lounges.  Level 1 has gates 2-11 and  gates 12-20.  Outside is disabled parking across from the main entrance, and next to Virgin Blue checkin; and two one-minute drop-off zones on each side.

Terminal 3 of Melbourne Airport has three levels and is used for domestic flights of Virgin Australia, and REX (Regional Express).
(a) On the Ground Level (Baggage Reclaim) of T3, is the Arrivals Hall with an Information desk, customs, baggage caroussels. Outside is disabled pick-up zone (15 mins); bus stops for V-Line, Metlink & suburban & regional buses.
(b) On the Mezzanine level (Concourses & gates)  are Concourses A & B with gates 1-10 for Virgin Australia, and 11-19 foor REX, with separate security screening,  and the Virgin Blue Lounge.
(c) On the first level (Departures) of T3 are check-in desks for Virgin Blue and Rex. Outside is disabled parking for 5 mins and a 1-minute drop-off zone
NOTE: Renovation work has begun to update and enhance Terminal 3.  During this time all flights are expected to continue normal operation.

Temporary Terminal 4 of Melbourne Airport, located behind the Business Park (South) on Service Road, has only one level and is used for domestic flights of Tiger Airways, with gates 1, 2 & 3. Its Departure area has an information desk and check-in & security screening. The separate Arrrivals area has one baggage carousel, the exit of which leads to the rental cars and bus stop. In front of Departures is a 1-minute pickup/dropoff area and next to it disabled parking. 
NOTE: While the present Terminal 4 is still in service, it will be relaced by a new 20,000 sq.meter domestic Terminal 4, located between present terminals 3 & 4 - construction of which starts in Fall 2013.  All terminals will then be under one roof.

Airline Lounges at Melbourne Airport:
Virgin Blue - T3, Mezzanine;  Qantas Club - T1, level 1;  REX Lounge - T3, ground level;  Cathay Pacific - T2, level 1;  Malaysia Airlines Golden Lounge - T2, level 1; Qantas Club - T2, level 1;  Singapore's Silver Kris Lounge - T2, level 1;  Air New Zealand & United - T2, level 1;  Emirates Lounge - T2, after customs take escalator to level 3.

Services and amenities offered at these terminals include shops, duty-free shops, food & drink establishments, currency exchange, ATM machines, wireless internet access, showers, first-aid stations, and a golf club.

The SkyBus to the City runs 24/7, every 10 mins, arriving at Melbourn Southern Cross Station (for more information visit skybus.com.au).