Med-mooring has long been the preferred berthing arrangement at Mediterranean marinas where its employment has been possible. This simple fact highlights the system's recognised efficiency. Tide-Riser provides an innovative yet uncomplicated mooring arrangement that is a cost effective solution to the dilema of maximising capacities at tidal marinas. By increasing berth numbers by up to 20% Tide-Riser finally allows Marina owners in these areas to achieve similar profits to those in the Mediterranean.