Location the onyx hotel stands 1 block from the north and haymarket subway stations in the bulfinch triangle district of boston mass the td garden is located 1 block from the hotel boston common is less than 1 mile away hotel features this brick and glass boutique property features a contemporary lobby decorated with original artworks and flashes of vividly colored fabrics the intimate ruby room restaurant features a stainless steel chandelier twinkling red lights red leather banquette