In October 2015, Alexandre Ramos became club coach and Marineida da Graça became the club's first female president. In the 2015–16 season, Ultramarina finished at a lower position of 4th behind SC Atlético, AJAT'SN and Belo Horizonte of Juncalinho, it shared the same numbers (6 wins, 4 draws and losses, conceded 13 goals) with Desportivo Ribeira Brava but Ultramarina Tarrafal scored 21 goals, five more than the fifth placed club. The first three draws and all of its losses were before the 8th round, Ultramarina's last loss at the regional championships was on March 25 where they lost 0–2 to Atlético. Ramos made another successful season, Ultramarina started fourth on January 15, then it was second and got the top position on February 5 and preserved it for the rest of the season and prevented Académica Preguiça from getting the top position. On April 30, they had 33 points, and made the point difference of seven over the second placed SC Atlético, a third back to back regional title was made that day and got their entry into the upcoming 2017 Cape Verdean Football Championships in mid-May. On May 6, the final match of the season was a 0–4 win over Talho and made it the 20th unbeaten match for the club and finished with 36 points, an eight-point difference with Académica da Preguiça who gave back their position and had 11 wins and three draws. In the cup finals, Ultramarina Tarrafal again headed up to the regional cup finals, it took place on May 9, three days after the end of the regional championships for the season, they faced Desportivo Ribeira Brava and defeated it 0–4 and became the island's only club to have a regional double. Tarrafal's totals is shared with Belo Horizonte's, most on the island. Ultramarina played with the cup runner-up Ribeira Brava in the regional super cup on December 23, 2017, it was the club's seventh and recent appearance, Ultramarina defeated Ribeira Brava 8–0 and became the highest result on the island and being one of the highest of any super cup matches in Cape Verde. Ultramarina got their regional triple at the official regional competitions for the season.