Hvammsvik Hot Springs is a hidden gem just a 45-minute drive from Reykjavík, offering a unique and authentic experience in unspoiled nature. With eight natural hot springs that flow into the ocean, surrounded by majestic mountains and black beaches, guests can relax and soak in the stunning views. The facilities (depending on which ticket tier you get) include a steam room, outdoor showers, and access to paddle boards, making it a perfect spot to unwind and connect with nature. Tickets start at around $65 USD for basic entry, which doesn't include locker and towel but higher ticket tiers gets you locker and towel.
Afterwards, enjoy a meal at Stormur Bistro for a nice Icelandic meal. They have vegan and gluten-free options!