In 1997, LEGO released 3 Aquazone sets in the subtheme Aquaraiders, all of these sets have been retired. For that year, the total price of all retail sets cost $80, today those sets are valued around $631, a growth of 689%.
Most valuable 1997 LEGO Aquazone set
2162 Hydro Reef Wrecker $273.40
Highest growth 1997 Aquazone set
2160 Crystal Scavenger +1083.92%
3 sets

2160 Crystal Scavenger

Theme / Subtheme Aquazone / Aquaraiders
Year 1997
Pieces / Minifigs 110 / 1
Availability Retired
2160 LEGO Aquazone Aquaraiders Crystal Scavenger
Retail $14.99
Value $177.47
Growth  +1083.9%
Annual growth 7.5%

2161 Aqua Dozer

Theme / Subtheme Aquazone / Aquaraiders
Year 1997
Pieces / Minifigs 136 / 1
Availability Retired
2161 LEGO Aquazone Aquaraiders Aqua Dozer
Retail $24.99
Value $180.44
Growth  +622.0%
Annual growth 5.0%

2162 Hydro Reef Wrecker

Theme / Subtheme Aquazone / Aquaraiders
Year 1997
Pieces / Minifigs 287 / 2
Availability Retired
2162 LEGO Aquazone Aquaraiders Hydro Reef Wrecker
Retail $39.99
Value $273.40
Growth  +583.7%
Annual growth 5.1%