The friends decided to stay at Ship lake island after reaching it.

After reaching Ship lake, the friends discussed their options and ultimately decided to stay at the island. This decision was likely influenced by various factors such as the beauty and tranquility of the lake, the availability of resources on the island, and the desire for a peaceful retreat.

Reasons for deciding to stay at Ship lake island:

1. Scenic beauty: Ship lake is described as a picturesque location with its clear blue water and surrounding greenery. The friends were likely captivated by the natural beauty of the place, which may have influenced their decision to stay.

2. Availability of resources: Ship lake island may have offered the friends the necessary resources for survival and comfort. The island might have had a source of freshwater, which is essential for drinking and cooking. Additionally, there might have been vegetation or wildlife on the island that could provide food.

3. Peaceful retreat: The friends might have desired a peaceful retreat away from the hustle and bustle of the city. Ship lake island, being isolated and serene, would have provided them with the tranquility they sought.

4. Opportunity for exploration: Staying at the island would have given the friends the chance to explore their surroundings and discover any hidden treasures or interesting features. They could have gone hiking, fishing, or simply enjoyed the calmness of the lake.

5. Time for relaxation: The friends might have wanted to take a break from their sailing journey and enjoy some downtime. Ship lake island would have allowed them to relax, swim, sunbathe, or engage in other leisure activities.

Overall, the decision to stay at Ship lake island after reaching it was likely driven by the combination of its scenic beauty, availability of resources, peacefulness, opportunity for exploration, and the chance to relax.