Summer Islands

Resort management on generated islands with rivals and disasters

Marttalin Games · Released Jan 25, 2025

Reviews: Very Positive; 81% of 197
Recent reviews: Not enough recent
Playing now: 0; right now
Steam Deck: Verified
Last update: 1 month ago; Aug 14, 2026

Free demo available, 0 playing it now: get the demo.

What is Summer Islands?

Summer Islands is a resort-building management game set on generated island maps. You place hotels, shops, and attractions for mass-market and luxury tourists, manage finances, and compete with a rival for land while disasters threaten your buildings. A map editor lets you create maps and set event conditions.

For you if...

+you enjoy planning resorts around tourist preferences and budgets
+you like retro-style building games with multiplayer options
+you want to create island maps with custom events

Not for you if...

−you dislike managing debt, advertising, and building income
−you want to build without rivals or destructive disasters

What players say

81% of 197 reviews are positive

Players praise its resemblance to older resort-building games. They complain about slowdowns as resorts grow, multiplayer crashes and connection problems, and tutorials that leave profitability rules unclear.

Screenshots and trailer

Summer Islands system requirements

As published by the developer.

Minimum

OS: Windows 10 (64-bit) or newer
Processor: Intel Core i5-2500K / AMD FX-6300 or better
Graphics: NVIDIA GeForce GTX 970
Memory: 4 GB RAM
Storage: 700 MB available space

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, Linux
Achievements: 38
Steam features: Workshop, Cloud saves, Family Sharing, Trading cards

Steam Deck: Verified

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Languages

Full audio: German, English, Spanish - Spain. Text only: French, Italian, Arabic, Portuguese - Brazil, Traditional Chinese, Simplified Chinese, Japanese, Korean, Polish, Russian, Turkish, Ukrainian, Swedish.