I was in Beirut for 10 days back in March. Been meaning to write up on it.
Overview:
The capital of Lebanon, the population is slowly approaching 2 million. Situated on the coast with snow-capped mountain ranges as the backdrop, the setting is pretty spectacular. Make sure to try get a glimpse as you fly into the airport. There is no public transport to the city from the airport so a taxi is necessary. It's 9km from the city and shouldn't be more than $20. Taxi drivers will try to rip you off - I paid $50 but was too jaded after the long flight to care. Main languages are French, Arabic, English - most people seem to have a decent grasp of all three. You can get by with just English without any major difficulties.
The city itself is kind of bizarre. The army is everywhere, there are bullet-ridden buildings, mosques, churches, synagogues and the highest density of high-powered cars I've seen anywhere. It's an interesting city fo' sho'.
Public transport does not exist but shared taxis are cheap as chips. Ask for 'Service' and you'll pay about $.50 to get anywhere in the city.
Accommodation:
I stayed in Gemmayzeh, the christian area in East Beirut. In a place called Saifi Urban Gardens
http://www.saifigardens.com/ to be precise. It's $50 for a private room. There is an arabic language school and the bar/cafe gets packed at night with a mix of locals and foreigners, I'd say 70% locals. Hamra seems to be the other popular place to stay. Both are decent areas for nightlife. For those 'balling on a budget', hostel options are pretty limited, but Saifi does a bed in a dorm for $18 per night.
Sightseeing:
Lebanon is small enough that you can base yourself in Beirut and head for other spots on a day trip. I visited Tripoli (north), which is a world away from Beirut, far more 'arabic', conservative middle-eastern feel, but definitely worth a visit.
Honourable mentions to Baalbeck - Massive Roman Temples and birthplace of Hezbollah. You can buy Hezbollah t-shirts off the vendors outside the temple!
Byblos - Small harbour with old souk around 50 mins north of Beirut. You can get a minibus here from 'Cola' (main bus station/roundabout) return for around $2 return.
Also visited Jeita Grotto.
Safety:
Crossing the road is a fucking nightmare. If there are rules of the road, they are wholeheartedly ignored. Common sense here.
Lebanon receives a lot of negative press, and Syria's problems seem to be spilling over a bit. I was told by locals that the atmosphere was tense, but I was oblivious/ignorant of it. The army is everywhere which may make you feel uneasy. That said, I didn't see so much as a fist-fight when I was there.
Girls/Nightlife
While I wasn't blown away by the quality, there is a healthy sprinkling of beautiful women in Beirut. When you get a top-quality Lebanese chick, they are hard to beat. Similar in appearance to other Arab women, their features are somewhat softer and pack a bit more junk. They do appear materialistic - smartphones/Louis Vitton bags etc - and a lot of local guys bitched to me about them. However, don't let that put you off, they like foreigners!
Day game: American University Beirut (AUB) campus near Hamra, also Corniche in that area. Downtown - quality chicks go here to shop/be seen/ drink in overpriced cafes. Always, always, always open in English. Beirut does not get many tourists and the locals are always intrigued by foreigners. Ask for directions and 9/10 times she'll ask you where you're from, what you're doing there etc. I found that they respond well to playful/cocky game. I was told that ONS are not that common, but they definitely happen. Most young people live with their parents so logistics are key. As a foreigner she knows that you have a hotel/apt which further increases your value.
Night game:
Gemmayzeh: This is where I stayed so predominantly went out here. More of the small/hipster bar scene with many of the bars sparsely populated. Nightlife gets going around 9/10ish when happy hours are prominent. Decent place to pre-game.
Hamra: Hamra street is a great place for a pub crawl, only walked down it so can't give bar names but it seemed a rowdier/younger/drunker crowd than Gemmayzeh. Bars are located close to each other so long taxi trips are not needed. Also some clubs in this area - Uberhousen was the only one I was in - $22 cover charge and $6 for local beer. Decent techno music and you can smoke inside. Difficult to game chicks as it was so loud.
Monot: Where most of the 'super' clubs are but I never visited it so can't comment. Goes on all night by all accounts.
Flag tip: Head to Gemmayzeh for happy hour then head for a street called 'Mar Makil' - it's a small strip of around 7 bars with a bottle shop in the middle. Everyone buys cheap bottles here and stands around chatting outside. Kind of artsy but the chicks here are more liberal. Open anyone and everyone. I found the local men were excellent wingmen. Chicks will be very interested if you're foreign. Bottle of local beer is around $2 and place is busy until around 3am thurs-sat.
Tourists: Thankfully few and far between, some study at arabic schools and you get some journalists covering Lebanon, Syria or the ME. Standard is poor.
Conclusion: Beirut is a great spot, with some stunning women and decent nightlife 7 days a week. I'd say it's even better in summer when the beach factor comes into play. Still pretty cheap and relatively untouched by tourist in recent years. Get there before Ryanair/Easyjet/ Civil War do/does!
Mar Makil below.