This is the updated version of the original list I had posted.  I hope this one helps as much as the last one did!!

The M Resort- No security.

Four Seasons- Security at the elevators after 6pm, sometimes they are always there, but very nice.

The Hotel- No Security

Mandalay Bay- No Security

The Luxor- No Security but elevator requires a key to access a floor.  East and West wing towers do as well now.

The Excalibur- Security and sometimes very rude.

The Tropicana- No Security

Hooters- No Security

The MGM- No Security at the main elevators.

The Signature- Have to pass a guard at a gate so need your name called down

The Mansions at the MGM- Key Entry only

New York New York- No Security but some towers require a key to access a floor.

Monte Carlo- No Security

The Bellagio- Security but very nice

Planet Hollywood- No Security.

The Paris- No Security

Bally's- No Security

The Westin- No Security

The Platinum- No Security

Hilton- NO Security.

Ceasers Palace- Security at some towers but usually nice.

Bill's Gambling Hall- Not sure about now but when it was Barbary Coast, they would try to take pictures and have been known to chase you to get one, not kidding.

Imperial Palace- No Security

Harrah's- Security and very rude and ask for ID's however there is a secret back way up that isn't that hard to find and by passes security.  Also if you see the lady before 8pm, she can access the elevators near the parking garage entrance.  If she goes to the 4th floor, she can get to any tower

The Flamingo- No Security

The Mirage- Security after 9pm or 10 but always sweet.

T.I.- Sometimes they have Security and other times not.

The Sahara- No Security

The Stratosphere- No Security

The Wynn- Security after 9pm but usually no problem.

Encore- Security, need to show them room key.

The Palms- Security all the time.  Sometimes they are accommodating and nice, other times rude and questionable.

Palms Place- Need a key card.

The Rio- No Security for the most part but sometimes they do, usually nice but can be judgmental so best to meet downstairs.

The Orleans- Security but nice.

The Gold Coast- No Security to my knowledge.

Venetian- Security after 9pm on the 2nd story but requires key to enter and always security on main level.

The Palazzo- Security

Circus Circus- No Security

Riviera- Security at some towers but usually nice.

Sun Coast- No Security

South Point- Security but never a problem

GVR- No Security

Golden Nugget- Security after 9pm but sweet

Wild Wild West- No Security except patrolling the parking lots which is how you enter the room.

Palace Station- No security to my knowledge.

Trump Tower- Need a key card to access elevators.

Red Rock- No security but key access only.

Aliante Station- Not to sure, I have yet to go there.

JW Marriot in Summerlin- No security.

New HRH tower- Security

Aria- Security after 5pm, best to just meet downstairs IMO.

Mandarin Oriental- Security after 5pm, best to just meet downstairs.

Vdara- Security after 5pm, best to just meet downstairs.

New tower at Plant Hollywood- Not sure, if anyone knows, please let me know.

Hotel 32- Need key to access the elevators that go to the floors.

Downtown hotels excluding the Golden Nugget I do not visit, so have no knowledge about.

If I forgot any, please feel free to add it to the list and I will revise it at the end.

Xoxox
Tasha