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South Bay 523SL keeps an estimated 64% of its value after 5 years — #3197 of 5780 boats VINdown tracks. See the full curve and the best year to buy.
Per VINdown's modeling, the South Bay 523SL retains an estimated 64% of its value after five years, ranking #3197 of 5780 boats we track. That is 2 points above the 62% five-year average for Pontoon in its class, so it holds value better than most rivals.
Most of the loss lands early: the South Bay 523SL sheds about 7% of its value in year one alone. From roughly $39,774 it falls to around $25,654 by year five — a five-year loss near $14,120, about $7.74 a day in depreciation.
Because the steepest drop hits around year 4, a lightly-used South Bay 523SL bought at 4 years old lets the first owner absorb the worst of the depreciation while the curve flattens — usually the value sweet spot. Explore the full year-by-year curve, trims, and true cost of ownership in the Model Lab above.
It keeps an estimated 64% of its value after five years — worse than most among the 5780 boats VINdown tracks (ranked #3197).
From about $39,774 when new it drops to roughly $25,654 after five years — a loss near $14,120 (64% of its value retained).
Around 4 years old: that is just past the steepest depreciation, so you skip the biggest drop while the value curve is flattening.