16' x 20' rectangle inground pool kits provide a compact yet functional pool layout suited for smaller yards or space conscious designs. The straight wall construction supports clean installation and efficient use of available space while offering comfortable swim and lounge areas. These kits are often chosen as part of a DIY inground pool kit project to simplify planning. Many installations include dependable inground pool pumps to maintain circulation. To help keep water clear, homeowners frequently pair this pool with pool filtration systems. Interior finishes are completed using vinyl liners sized specifically for rectangular pools.