BEST INFLATABLE PADDLE BOARDS 10 Inflatable SUP Boards 2023 Buying Guide305cm X 76cm X 15cm (7). Stand Up Paddle Board Epic Isup Sup Supremacy 2023 Inflatable 245x71x10 8ft. 300cm X 76cm X 15cm (16). 3.2m / 10ft (11). SUPremacy Rapid Stand Up Paddle Board. 3.2m / 10ft (11).