The City of Puerto Vallarta is the government seat of the Municipality of Puerto Vallarta which comprises the city as well as population centers outside of the city extending from Boca de Tomatlan tomatlÃ¡n to The nayarit. border
1 Powered boats less than 7m in length and whose maximum speed does not exceed 7 knots, may show an all-round white light instead of sidelights. If practical, these ships should also show sidelights.  Powered boats must show sidelights and either an all-round white light or a stern and masthead light.
Sailboats 7m or more in length must show sidelights and stern lights. In addition to sidelights they may show 2 all-round lights in a vertical line (red over green) that may be shown at the top of the mast, but not when a combined lantern is used.