Located a block away from Leidseplein, but in a relatively quiet location with a nice canal view. Room was small, but had shower/toilet, phone, and a TV if that matters. The room was clean and the building is secure. There is a soda machine downstairs that also has Heineken for f2.50 (US$1.00) which is a bargain. The desk staff is friendly and has all the tourist brochures available if needed.
To get there from Leidseplein... Walk behind the Irish pub and past the white drawbridge (Milkweg club) on your left and the police station on your right. You''ll see the Hotel De Lantaerne sign to your left across the canal.