vigorous plant growth. The western outskirts of Lake Worth Beach are in the Southern Florida Lowlands area. Topsoils there are sandy, but the subsoils have a much higher content of clay and the soils are relatively fertile. As in the flatwoods, these soils are poorly drained for many purposes unless drainage systems are installed. Although the incorporated city of Lake Worth Beach is small geographically, as is common in Palm Beach County, a large unincorporated urbanized area with a Lake Worth postal address lies to the west of the city. Only two zip codes are within the city's boundaries, 33460 and the eastern edge of 33641, while 33449, the remainder of 33461, 33462, 33463, and 33467 zip codes are located outside the city limits but may use a Lake Worth mailing address. Thus, The Palm Beach Post noted in 2019 that there are more mailing addresses for Lake Worth (unincorporated area) than Lake Worth Beach (the proper, incorporated area). Climate Lake Worth Beach, Florida has a Tropical climate. Cityscape and neighborhoods The Lake Worth Beach Community Redevelopment Agency (CRA) maintains the Neighborhood Association President's Council (NAPC). The three purposes of the NAPC, according to the Lake Worth Beach CRA, is to improve representation of diversity in the city's neighborhoods, to maintain open communications between city government and neighborhood associations, and to promote volunteering to assist needy areas. A total of 17 neighborhood associations are recognized by the Lake Worth Beach CRA, including: Bryant Park, bounded by the Intracoastal Waterway to the east, Lucerne Avenue to the north, South Federal Highway to the west, and 5th Avenue South to the south; also includes the Lake Worth Municipal Beach College Park, bounded by the Intracoastal Waterway to the east, West Palm Beach to its north, Dixie Highway to the west, and Wellesley Drive to the south Downtown Jewel, bounded by South Federal Highway to the east, Lucerne Avenue to the north, South Dixie Highway to the west, and 6th Avenue South to the south Eden Place, bounded by the Intracoastal Waterway to the east, Wellesley Drive to the north, Dixie Highway to the west, and 13th Avenue North to the south Lake Cove, near the northwest corner of Lake Worth Beach Mango Groves, bounded by North Federal Highway to the east, 13th Avenue North to the north, North Dixie Highway to the west, and Lucerne Avenue to the south Memorial Park, bounded