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.
An all-round white light or ball in the fore part. - An all-round white light at or near the stern lower than the light in the fore part. - Vessel of < 50m may exhibit an all-round white light. - A vessel >100m in length shall use available lights to illuminate her decks.