There are 339 condos for resale on Singer Island; 11 condos are currently pending. Only one condo sold within the past 7 days for 52% its original list price; being on the market for 607 days. Rates rose this week with the 30-yr fixed mortgage at 5.29% compared to 5.22% last week. Last year at this time, the 30-yr mortgages averaged 6.52 percent. The average 15-year fixed mortgage rose …