An all NEW model for 2016; the Grand Mariner SL 270 offers all of the favorite features of the Grand Mariner SL 250 with additional playpen square footage and unique new floor-plan choices for the longer model. With the DLDDH or the SLDDH you will find two matching helm seats on the port side across from the ergonomically designed fiberglass helm. Choose from standard or pillow-top furniture available in Desert Camel, Almond or French Gray color styles.  With this larger pontoon boat, you have the choice of power options ranging from 150HP to 350HP on the Harris PIII Performance Package, which includes three 25-inch diameter tubes with lifting strakes and aluminum under skin for improved stability and performance. Consider adding the Glass Dash Helm upgrade which includes a 12-inch and 7-inch touch screen providing control of the Polk stereo and lighting, as well as interactive GPS charts, engine data and cruise control with ability to set up multiple skier launch and speed profiles.