Trek Marlin

Discover verified used Trek Marlin hardtail mountain bikes at MyNextBike. The Marlin offers trail-ready capability with accessible pricing and Trek's trusted quality. All bikes include buyer protection and UK-wide delivery.

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22 products
  • Sponsored
    Trek Marlin 6 Gen 3 2026
    Good PriceXLCues2026
    Trek Marlin 6 Gen 3
    Regular price £802.00
    Sale price £802.00
    Regular price £850.00
  • Trek Marlin 5 Gen 3 2026
    Great PriceLCues2026
    Trek Marlin 5 Gen 3
    Regular price £443.00
    Sale price £443.00
    Regular price £625.00
  • Trek Marlin 5 2025
    Great PriceXLCUES2025
    Trek Marlin 5
    Regular price £435.00
    Sale price £435.00
    Regular price £650.00
  • Trek Marlin 6 Gen 3 Hardtail Moutain 2026
    Great PriceXLCUES2026
    Trek Marlin 6 Gen 3 Hardtail Moutain
    Regular price £608.00
    Sale price £608.00
    Regular price £850.00
  • Trek Marlin 5 Gen 3 2026
    Good PriceLCues2026
    Trek Marlin 5 Gen 3
    Regular price £581.00
    Sale price £581.00
    Regular price £625.00
  • Trek Marlin 4 2025
    Good PriceL/XLTourney, Altus2025
    Trek Marlin 4
    Regular price £407.00
    Sale price £407.00
    Regular price £500.00
  • Trek Marlin 7 Gen 3 2026
    Good PriceXXLNX Eagle2026
    Trek Marlin 7 Gen 3
    Regular price £847.00
    Sale price £847.00
    Regular price £1,000.00
  • Trek Marlin 6 Gen 3 Hardtail Moutain 2026
    Good PriceXXLCUES2026
    Trek Marlin 6 Gen 3 Hardtail Moutain
    Regular price £709.00
    Sale price £709.00
    Regular price £850.00
  • Trek Marlin 5 Gen 3 2026
    Good PriceXLCues2026
    Trek Marlin 5 Gen 3
    Regular price £523.00
    Sale price £523.00
    Regular price £625.00
  • Trek Marlin 6 Gen 3 Hardtail Mounatin 2026
    Good PriceXLDeore2026
    Trek Marlin 6 Gen 3 Hardtail Mounatin
    Regular price £802.00
    Sale price £802.00
    Regular price £850.00
  • Trek Marlin 4 2023
    Good Price23"Tourney, Altus2023
    Trek Marlin 4
    Regular price £320.00
    Sale price £320.00
    Regular price £454.00
  • Trek Marlin+ 8 Elecrtric 2026
    Good PriceMDeore2026
    Trek Marlin+ 8 Elecrtric
    Regular price £2,510.00
    Sale price £2,510.00
    Regular price £2,399.00
  • Trek Marlin 4 Gen 3 2025
    Great PriceXLCUES 2025
    Trek Marlin 4 Gen 3
    Regular price £349.00
    Sale price £349.00
    Regular price £525.00
  • Trek Marlin 5 2025
    Good PriceL/XLCUES 2025
    Trek Marlin 5
    Regular price £488.00
    Sale price £488.00
    Regular price £600.00
  • Trek Marlin 4 2026
    Great PriceXLShimano2026
    Trek Marlin 4
    Regular price £401.00
    Sale price £401.00
    Regular price £525.00
  • Trek Marlin 7 27.5/29er 2026
    Good PriceLNX Eagle, SX Eagle2026
    Trek Marlin 7 27.5/29er
    Regular price £941.00
    Sale price £941.00
    Regular price £1,000.00
  • Trek Marlin 6 Gen 3 Hardtail Mounatin 2026
    Great PriceXXLCUES2026
    Trek Marlin 6 Gen 3 Hardtail Mounatin
    Regular price £651.00
    Sale price £651.00
    Regular price £850.00
  • Trek Marlin 5 27.5/29er 2026
    Great PriceLCUES2026
    Trek Marlin 5 27.5/29er
    Regular price £560.00
    Sale price £560.00
    Regular price £950.00
  • Trek Marlin 5 LARGE FRAMED 2025
    Good PriceLCues2025
    Trek Marlin 5 LARGE FRAMED
    Regular price £533.00
    Sale price £533.00
    Regular price £650.00
  • Trek Marlin 4 Gen 3 2024
    Good PriceXLShimano2024
    Trek Marlin 4 Gen 3
    Regular price £390.00
    Sale price £390.00
    Regular price £521.00
  • Trek Marlin 7 Gen 3 2025
    Good PriceXXLSX Eagle2025
    Trek Marlin 7 Gen 3
    Regular price £802.00
    Sale price £802.00
    Regular price £1,053.95
  • Trek Marlin 6 Gen 3 Hardtail Mounatin 2026
    Good PriceM/LShimano CUES U60002026
    Trek Marlin 6 Gen 3 Hardtail Mounatin
    Regular price £802.00
    Sale price £802.00
    Regular price £850.00

Previously sold

  • Sold
    Trek Marlin+ 6 2024
    Good PriceM/LCUES - FSA2024
    Trek Marlin+ 6
    Regular price £1,650.00
    Sale price £1,650.00
    Regular price £2,519.00
  • Sold
    Trek Marlin 8 2022
    Great PriceL/XLSX Eagle2022
    Trek Marlin 8
    Regular price £500.00
    Sale price £500.00
    Regular price £935.00
  • Sold
    Trek Marlin 8 2022
    Good PriceLSX Eagle2022
    Trek Marlin 8
    Regular price £550.00
    Sale price £550.00
    Regular price £935.00
  • Sold
    Trek Marlin 7 Gen 3 2024
    Great PriceLSX Eagle2024
    Trek Marlin 7 Gen 3
    Regular price £600.00
    Sale price £600.00
    Regular price £968.00

About the Trek Marlin

The Marlin is Trek's entry-level hardtail mountain bike, designed to introduce riders to trail riding without compromise. Its Alpha Gold aluminium frame provides a solid foundation, while quality suspension forks and reliable drivetrains deliver genuine off-road capability. The Marlin range spans multiple spec levels, making mountain biking accessible to various budgets.

Why Buy a Used Trek Marlin?

The Marlin's durability and Trek's quality standards make it ideal for the pre-owned market. These bikes often have years of trail life remaining and offer excellent entry into mountain biking. A used Trek Marlin from MyNextBike provides trail-ready performance at outstanding value, backed by our comprehensive buyer protection.