In the Coney North and Coney West Subdistricts, uses allowed by the underlying district regulations shall apply, except as modified in this Section. For the purposes of this Section, the “building line” shown on Parcel F on Map 2 shall be considered a street line of Ocean Way or Parachute Way, as applicable. 

1. Use modifications
   
   The underlying district use regulations shall be modified as follows: 
   1. any use listed in Use Groups A, B and C, as set forth in Section 131-12, inclusive, not otherwise allowed by the underlying district regulations, shall be permitted within 70 feet of Riegelmann Boardwalk and within 100 feet of all other designated streets, as shown on Map 2; and 
   2. an enclosed ice skating rink, included under amusement or recreation facilities in Use Group VIII, shall be a permitted use anywhere within Parcel F in the Coney West Subdistrict.
2. Ground floor level regulations along Riegelmann Boardwalk
   
   Along Riegelmann Boardwalk, only uses listed in Use Groups A, B and C and, where permitted pursuant to Section 32-153 (Use Group V – uses subject to additional conditions), transient hotels located above the ground floor level are permitted within 70 feet of Riegelmann Boardwalk, except that a transient hotel lobby may occupy up to 30 feet of such ground floor frontage along Riegelmann Boardwalk. Use Group C uses shall be limited to 2,500 square feet of floor area and 30 feet of street frontage for each establishment. All other establishments shall be limited to 60 feet of street frontage, except that for any establishment on a corner, one street frontage may extend up to 100 feet. All ground floor uses within buildings shall have a depth of at least 15 feet measured from the street wall of the building. However, such minimum depth requirement may be reduced where necessary in order to accommodate vertical circulation cores or structural columns associated with upper stories of the building.
   
   Each ground floor level street wall of a commercial or community facility use other than a use listed in Use Group A, as set forth in Section 131-121, shall be glazed in accordance with the provisions of Section 37-34 (Minimum Transparency Requirements).
   
   However, in lieu of such transparency requirements, at least 50 percent of the area of the ground floor level street wall of a commercial use, measured to a height of 12 feet above the level of the adjoining sidewalk, public access area or base plane, whichever is higher, may be designed to be at least 50 percent open during seasonal business hours.
3. Ground floor level regulations along all other #streets
   
   The underlying ground floor level streetscape provisions set forth in Section 32-30 (STREETSCAPE REGULATIONS), inclusive, shall apply except that ground floor level street frontages along streets, or portions thereof, designated on Map 2 (Mandatory Ground Floor Use Requirements) in the Appendix of this Chapter, shall be considered Tier C street frontages.
   
   The underlying Tier C street frontage regulations shall be modified as follows: Along the boundary of KeySpan Park in the Coney West Subdistrict,  in lieu of the underlying transparency requirements, at least 50 percent of the area of the ground floor level street wall of a commercial use, measured to a height of 12 feet above the level of the adjoining sidewalk, public access area or base plane, whichever is higher, may be designed to be at least 50 percent open during seasonal business hours.