NEWPORT BEACH, Calif.—The City of Newport Beach recently received an unexpected letter from the California Coastal Commission addressing the council’s approval of a controversial mixed-use development at 2510 W. Coast Highway on July 27. The letter explained how on July 28, Commission staff received an email correspondence from a concerned citizen, David Tanner, requesting to appeal the city-approved development to the Coastal Commission. Local residents and business owners have previously voiced their opposition to the development, planned along a stretch of the Pacific Coast Highway called the Mariner’s Mile. The letter went on to say that during a July 29 phone call, Tanner requested that the Commission’s executive director review the city’s determination of non-appealability. The next day, Tanner followed up by email with written information and another request for a review of the city’s determination. The letter was sent on July 30 from Coastal Commission Executive Director Jack Ainsworth and District Supervisor Zach Rehm, …